Document:

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                                                                   EXHIBIT 10.30

     THE SHARES ISSUABLE PURSUANT TO THIS AGREEMENT ARE SUBJECT TO AN OPTION TO
     REPURCHASE PROVIDED UNDER THE PROVISIONS OF THIS AGREEMENT. A COPY OF THIS
     AGREEMENT IS AVAILABLE UPON WRITTEN REQUEST TO THE COMPANY AT ITS PRINCIPAL
     EXECUTIVE OFFICES.

                         CUSTOMERONE HOLDING CORPORATION

                      NON-QUALIFIED STOCK OPTION AGREEMENT

          THIS NON-QUALIFIED STOCK OPTION AGREEMENT (this "Option Agreement") is
made and entered into as of December 21, 1999, by and between CustomerONE
Holding Corporation, a Delaware corporation (the "Company"), and Mark R. Briggs
("Employee").

     1. Certain Definitions.

          In addition to the terms specifically defined elsewhere herein, as
used herein, the following terms will have the meanings indicated:

          "Adjustment Event" shall have the meaning set forth in Section 6
          hereof.

          "Affiliate" shall mean, as to any Person, a Person that directly, or
          indirectly through one or more intermediaries, controls, or is
          controlled by, or is under common control with, such Person.

          "Board of Directors" shall mean the board of directors of the Company.

          "Cause" shall have the meaning set forth in Section 8(d) of the
          Employment Agreement.

          "Change of Control" shall mean the first to occur of the following
          events: (i) any sale, lease, exchange, or other transfer (in one
          transaction or series of related transactions) of all or substantially
          all of the assets of the Company to any Person or group of related
          Persons as determined pursuant to Section 13(d) of the Exchange Act
          and the regulations and interpretations thereunder (a "Group") other
          than one or more members of the Onex Group, (ii) a majority of the
          Board of Directors shall consist of Persons who are not Continuing
          Directors; or (iii) the acquisition by any Person or Group other than
          one or more members of the Onex Group of the power, directly or
          indirectly, to vote or to direct the voting of securities having more
          than 50% of the ordinary voting power for the election of directors of
          the Company.

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          "Code" shall mean the United States Internal Revenue Code of 1986, as
          amended.

          "Committee" shall have the meaning set forth in Section 4 hereof.

          "Common Stock" shall mean the common stock, par value $0.01 per share,
          of the Company.

          "Continuing Director" shall mean, as of the date of determination, any
          Person who (i) was a member of the Board of Directors on the First
          Option Grant Date (as defined in Section 2(a) hereof), (ii) was
          nominated for election or elected to the Board of Directors of the
          Company with the affirmative vote of a majority of the Continuing
          Directors who were members of the Board of Directors at the time of
          such nomination or election, or (iii) is a member of the Onex Group or
          an appointee of the Onex Group.

          "Permanent Disability" shall have the meaning set forth in Section
          8(b) of the Employment Agreement.

          "Employment Agreement" shall mean that certain Employment Agreement,
          dated as of September 30, 1998, by and between CustomerONE
          Corporation, a Delaware Corporation and wholly-owned subsidiary of the
          Company, and Employee.

          "Exchange Act" shall mean the U.S. Securities Exchange Act of 1934, as
          amended.

          "Fair Market Value" shall, as it relates to the Common Stock, mean the
          average of the high and low prices of such Common Stock as reported on
          the principal national securities exchange on which the shares of
          Common Stock are then listed or the NASDAQ National Market, as
          applicable, on the date specified herein for such a determination; or
          if there were no sales on such date, on the next preceding day on
          which there were sales; or, if such Common Stock is not listed on a
          national securities exchange or quoted on the NASDAQ National Market,
          the last reported bid price in the over-the-counter market; or, if
          such shares are not traded in the over-the-counter market, the per
          share cash price for which all of the outstanding Common Stock could
          be sold to a willing purchaser in an arm's-length transaction (without
          regard to minority discount, absence of liquidity, or transfer
          restrictions imposed by any applicable law or agreement) at the date
          of the event giving rise to a need for a determination. Fair Market
          Value shall be determined in good faith by the Board of Directors or a
          duly appointed committee thereof.

          "First Option" shall have the meaning set forth in Section 2(a)
          hereof.

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          "First Option Exercise Price" shall mean a price equal to US$1.20 per
          share, subject to the adjustments and limitations set forth herein.

          "First Option Grant Date" shall have the meaning set forth in Section
          2(a) hereof.

          "First Option Shares" shall have the meaning set forth in Section 2(a)
          hereof.

          "Grantor" shall have the meaning set forth in Section 11 hereof.

          The term "including" when used herein shall mean "including, but not
          limited to".

          "IRR" shall mean, as of any date, the compounded annual pre-tax rate
          of return earned by LLC2 on its direct and indirect investment in the
          Portfolio Company for the period from the date of investment to such
          date; provided that, for the purposes of determining the IRR, the
          return earned by LLC2 shall take into account the net proceeds of any
          disposition of the investment (in whole or in part), dividends,
          returns of capital and other distributions, whether received directly
          or indirectly by LLC2, but shall specifically exclude any management
          fees or remuneration payments.

          "Liquidity Event" shall mean the first to occur of any of the
          following:

               (i) any sale of all or substantially all of the assets of the
          Portfolio Company in an arm's-length transaction;

               (ii) the liquidation or winding up of the Portfolio Company;

               (iii) an initial public offering of the common shares or other
          equity securities of the Portfolio Company by way of prospectus,
          registration statement or similar document where, or in connection
          with which, such shares or securities are to become listed and posted
          for trading or quoted on at least one of (1) the Toronto Stock
          Exchange, (2) the Montreal Exchange, (3) the New York Stock Exchange,
          (4) the American Stock Exchange or (5) the National Market of the
          National Association of Securities Dealers Automated Quotation System,
          together with any such other stock exchange or exchanges as may be
          approved by the Board of Directors; or

               (iv) a sale of all or substantially all of the shares of the
          Portfolio Company owned, directly or indirectly, by LLC2 (including
          any Affiliate of LLC2) in an arm's-length transaction.

          "LLC2" shall mean Onex CustomerONE Holdings LLC, a Delaware limited
          liability company.

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          "Non-Qualified Options" shall mean those Options which do not qualify
          for the tax treatment described under Sections 421 and 422 of the
          Code.

          "Option" shall mean either of the First Option or the Second Option.

          "Options" shall mean, collectively, the First Option and the Second
          Option.

          "Option Shares" shall mean the First Option Shares and/or the Second
          Option Shares.

          "Onex Group" shall mean LLC2, its Affiliates, and their respective
          employees, officers, members, partners and directors (and members of
          their respective families and trusts for the primary benefit of such
          family members), including, without limitation, Onex Corporation, a
          corporation organized under the laws of the Province of Ontario,
          Canada.

          "Person" shall mean any person or entity of any nature whatsoever,
          specifically including an individual, a firm, a company, a
          corporation, a partnership, a trust or other entity.

          "Portfolio Company" shall mean the Company or its operating
          subsidiaries taken as a whole.

          "Purchase Option" shall have the meaning set forth in Section 11
          hereof.

          "Qualifying Public Offering" shall mean the completion of a firm
          commitment underwritten public offering of Common Stock the result of
          which is that the Onex Group shall own less than 10% of the fully
          diluted Common Stock of the Company.

          "Related Entity" shall mean any direct or indirect subsidiary or
          parent of the Company now existing or hereafter formed or acquired.

          "Second Option" shall have the meaning set forth in Section 2(b)
          hereof.

          "Second Option Exercise Price" shall mean a price equal to US$1.50 per
          share, subject to the adjustments and limitations set forth herein.

          "Second Option Grant Date" shall have the meaning set forth in Section
          2(b) hereof.

          "Second Option Shares" shall have the meaning set forth in Section
          2(b) hereof.

          "Securities Act" shall mean the U.S. Securities Act of 1933, as
          amended.

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     2. The Grants.

          (a) Subject to the conditions set forth herein, the Company hereby
grants to Employee, effective as of January 27, 1999 (the "First Option Grant
Date"), as a matter of separate inducement and not in lieu of any salary or
other compensation for Employee's services, the right and option to purchase
(the "First Option"), in accordance with the terms and conditions set forth
herein, an aggregate of 583,333 shares of Common Stock (the "First Option
Shares"), at the First Option Exercise Price. The First Option is intended to
constitute a Non-Qualified Stock Option; however, Employee should consult with
Employee's tax advisor concerning the proper reporting of any federal, state or
foreign tax liability that may arise as a result of the grant or exercise of the
First Option.

          (b) Subject to the conditions set forth herein, the Company hereby
grants to Employee, effective as of March 19, 1999 (the "Second Option Grant
Date"), as a matter of separate inducement and not in lieu of any salary or
other compensation for Employee's services, the right and option to purchase
(the "Second Option"), in accordance with the terms and conditions set forth
herein, an aggregate of 2,868 shares of Common Stock (the "Second Option
Shares"), at the Second Option Exercise Price. The Second Option is intended to
constitute a Non-Qualified Stock Option; however, Employee should consult with
Employee's tax advisor concerning the proper reporting of any federal, state or
foreign tax liability that may arise as a result of the grant or exercise of the
Second Option.

     3. Exercise.

          (a) For purposes of this Option Agreement, the First Option Shares
shall be deemed "Nonvested Shares" unless and until they have become "Vested
Shares" as described in this subsection. Twenty-five percent (25%) of the First
Option Shares shall become "Vested Shares" on the second anniversary of the
First Option Grant Date and seventy-five percent (75%) of the First Option
Shares shall become "Vested Shares" on the third anniversary of the First Option
Grant Date in accordance with the terms of this Option Agreement. Only upon the
occurrence of a Liquidity Event that results in LLC2 achieving an overall
compounded IRR of 15% on its investment in the Portfolio Company as at such
time, will any such "Vested Shares" become "Exercisable Shares." Until such
time, Employee will not have the right to exercise all or any portion of the
First Option, whether or not vested.

          (b) For purposes of this Option Agreement, the Second Option Shares
shall be deemed "Nonvested Shares" unless and until they have become "Vested
Shares" as described in this subsection. Twenty-five percent (25%) of the Second
Option Shares shall become "Vested Shares" on the second anniversary of the
Second Option Grant Date and seventy-five percent (75%) of the Second Option
Shares shall become "Vested Shares" on the third anniversary of the Second
Option Grant Date in accordance with the terms of this Option Agreement. Only
upon the occurrence of a Liquidity Event that results in LLC2 achieving an
overall compounded IRR of 15% on its investment in the Portfolio Company as at
such time, will any such "Vested Shares" become "Exercisable

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Shares." Until such time, Employee will not have the right to exercise all or
any portion of the Second Option, whether or not vested.

          (c) Subject to the relevant provisions and limitations contained
herein, Employee may exercise an Option to purchase all or a portion of the
applicable number of Exercisable Shares underlying such Option at any time prior
to the termination of such Option pursuant to this Option Agreement. In no event
shall Employee be entitled to exercise an Option for any Nonvested Shares,
Vested Shares that are not Exercisable Shares or for a fraction of an
Exercisable Share.

          (d) The unexercised portion of the First Option, if any, will
automatically, and without notice, terminate and become null and void upon the
expiration of ten (10) years from the First Option Grant Date.

          (e) The unexercised portion of the Second Option, if any, will
automatically, and without notice, terminate and become null and void upon the
expiration of ten (10) years from the Second Option Grant Date.

          (f) Any exercise by Employee of an Option must be in writing addressed
to the Treasurer of the Company at its principal place of business (a copy of
the form of exercise to be used will be available upon written request to the
Treasurer), and must be accompanied by a certified or bank check payable to the
order of the Company in the full amount of the relevant exercise price of the
shares so purchased, or in such other manner as approved by the Board of
Directors or a committee thereof.

     4. Administration.

          This Option Agreement shall be administered by the Board of Directors,
or by any committee appointed by the Board of Directors to administer this
Option Agreement (the "Committee"); provided, however, that the entire Board of
Directors may act as the Committee if it chooses to do so.

     5. Termination of Employment.

          In the case of termination of Employee's employment with the Company
or any Related Entity for Cause pursuant to Section 8(d) of the Employment
Agreement, Employee shall immediately forfeit Employee's rights under the
Options, including rights in any Vested Shares and/or Exercisable Shares, except
as to those Option Shares already purchased.

     6. Adjustment of Shares.

          In the event that, by reason of any merger, consolidation,
combination, liquidation, stock dividend, stock split, split-up, split-off,
spin-off, combination of shares, exchange of shares or other like change in
capital structure of the Company (collectively, an "Adjustment Event"), the
Common Stock is substituted, combined, or changed into any cash, property, or
other securities, or the shares of Common Stock are changed into a greater or
lesser number of shares of Common Stock, the number and/or kind of shares

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and/or interests subject to this Option Agreement and the per share price or
value thereof shall be appropriately and equitably adjusted by the Committee to
give appropriate effect to such Adjustment Event. Any fractional shares or
interests resulting from such adjustment shall be eliminated. Notwithstanding
the foregoing, no adjustment shall be made under this Section 6 as a result of
the issuance of shares of Common Stock for consideration in cash or in property.

          In the event the Company is not the surviving entity of an Adjustment
Event and, following such Adjustment Event, Employee will continue to hold an
Option (or Options) which has (or have) not theretofore been fully exercised,
cancelled, or terminated in connection therewith, the Company shall cause such
Option (or Options) to be assumed (or cancelled and a replacement Option or
Options issued) by the surviving entity or a Related Entity. In the event of any
perceived conflict between the provisions of Section 10 and this Section 6, the
Committee's determinations under Section 10 shall control.

     7. Transferability.

          Except as provided in Section 11 hereof, the Options and any rights or
interests therein are not assignable or transferable by Employee except by will
or the laws of descent and distribution, and during Employee's lifetime, each
Option shall be exercisable only by Employee or, in the event that a legal
representative has been appointed in connection with Employee's Permanent
Disability, such legal representative.

     8. Registration.

          The Company shall not in any event be obligated to file any
registration statement under the Securities Act or any applicable securities
laws of any other jurisdiction to permit exercise of either Option or to issue
any Common Stock in violation of the Securities Act or any applicable securities
laws of any other jurisdiction. Employee (or in the event of Employee's death
or, in the event a legal representative has been appointed in connection with
Employee's Permanent Disability, the Person exercising an Option) must, as a
condition to Employee's right to exercise an Option, deliver to the Company an
agreement or certificate containing such representations, warranties and
covenants as the Company may deem necessary or appropriate to ensure that the
issuance of the Option Shares pursuant to such exercise is not required to be
registered under the Securities Act or any applicable securities laws of any
other jurisdiction.

          Certificates for Option Shares, when issued, will have substantially
the following legend, or statements of other applicable restrictions, endorsed
thereon (or any other legend that may be required for issuance to a Person
outside the United States), and may not be immediately transferable:

          THE SHARES OF STOCK REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
          REGISTERED UNDER THE

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          SECURITIES ACT OF 1933, AS AMENDED, OR ANY SECURITIES LAWS OF ANY
          OTHER JURISDICTION. THE SHARES MAY NOT BE OFFERED FOR SALE, SOLD,
          PLEDGED, TRANSFERRED OR OTHERWISE DISPOSED OF UNTIL THE HOLDER HEREOF
          PROVIDES EVIDENCE SATISFACTORY TO THE ISSUER (WHICH, IN THE DISCRETION
          OF THE ISSUER, MAY INCLUDE AN OPINION OF COUNSEL SATISFACTORY TO THE
          ISSUER) THAT SUCH OFFER, SALE, PLEDGE, TRANSFER OR OTHER DISPOSITION
          WILL NOT VIOLATE APPLICABLE FEDERAL, STATE OR OTHER LAWS.

          The foregoing legend will not be required for Option Shares issued
pursuant to an effective registration statement under the Securities Act and in
accordance with applicable state securities laws.

     9. Withholding Taxes.

          By acceptance hereof, Employee hereby (i) agrees to reimburse the
Company or any Related Entity by which Employee is employed for any Canadian or
U.S. federal, provincial, state, local or foreign taxes required by any
government to be withheld or otherwise deducted by such corporation in respect
of Employee's exercise of all or a portion of an Option; (ii) authorizes the
Company or any Related Entity by which Employee is employed to withhold from any
cash compensation paid to Employee or on Employee's behalf, an amount sufficient
to discharge any Canadian or U.S. federal, provincial, state, local or foreign
taxes imposed on the Company, or the Related Entity by which Employee is
employed, and which otherwise has not been reimbursed by Employee, in respect of
Employee's exercise of all or a portion of an Option; and (iii) agrees that the
Company may, in its discretion, hold the stock certificate to which Employee is
entitled upon exercise of an Option as security for the payment of the
aforementioned withholding tax liability, until cash sufficient to pay that
liability has been accumulated, and may, in its discretion, effect such
withholding by retaining shares issuable upon the exercise of such Option having
a Fair Market Value on the date of exercise which is equal to the amount to be
withheld.

     10. Change of Control.

          If (i) a Change of Control shall occur, (ii) the Company shall enter
into an agreement providing for a Change of Control, or (iii) any member of the
Onex Group shall enter into an agreement providing for a Change of Control, then
the Committee may, but shall not be obligated to, declare either Option or both
Options to be exercisable in full at such time or times as the Committee shall
determine, and under such conditions as the Committee shall determine,
notwithstanding the express provisions of this Option Agreement. In the event
that either Option is (or both Options are) accelerated by the Committee
pursuant to the preceding sentence, such Option (or Options) shall terminate,
notwithstanding any express provision hereof, on such date (not later than the
stated exercise date) as the Committee shall determine.

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     11. Purchase Option.

          (a) If (i) Employee's employment with the Company or a Related Entity
terminates for any reason at any time or (ii) a Change of Control occurs, the
Company and/or its designee(s) shall have the option (the "Purchase Option") to
purchase, and if the Purchase Option is exercised, Employee (or Employee's
executor or the administrator of Employee's estate or the Person who acquired
the right to exercise an Option by bequest or inheritance in the event of
Employee's death, or Employee's legal representative in the event of Employee's
incapacity (hereinafter, collectively with such optionee, the "Grantor")) shall
sell to the Company and/or its assignee(s), all or any portion (at the Company's
option) of the Option Shares and/or the Option or Options held by the Grantor
(such Option Shares and Option or Options collectively being referred to as the
"Purchasable Shares").

          (b) The Company shall give notice in writing to the Grantor of the
exercise of the Purchase Option within one (1) year from the date of the
termination of Employee's employment or engagement or such Change of Control.
Such notice shall state the number of Purchasable Shares to be purchased and the
determination of the Board of Directors of the Fair Market Value per share of
such Purchasable Shares. If no notice is given within the time limit specified
above, the Purchase Option shall terminate.

          (c) The purchase price to be paid for the Purchasable Shares purchased
pursuant to the Purchase Option shall be, in the case of any Option Shares, the
Fair Market Value per share as of the date of notice of exercise of the Purchase
Option times the number of shares being purchased, in the case of the First
Option, the Fair Market Value per share less the applicable per share First
Option Exercise Price, times the number of Exercisable Shares subject to such
First Option which are being purchased, and in the case of the Second Option,
the Fair Market Value per share less the applicable per share Second Option
Exercise Price, times the number of Exercisable Shares subject to such Second
Option which are being purchased. The purchase price shall be paid in cash. The
closing of such purchase shall take place at the Company's principal executive
offices within ten (10) days after the purchase price has been determined. At
such closing, the Grantor shall deliver to the purchaser(s) the certificates or
instruments evidencing the Purchasable Shares being purchased, duly endorsed (or
accompanied by duly executed stock powers) and otherwise in good form for
delivery, against payment of the purchase price by check of the purchaser(s). In
the event that, notwithstanding the foregoing, the Grantor shall have failed to
obtain the release of any pledge or other encumbrance on any Purchasable Shares
by the scheduled closing date, at the option of the purchaser(s) the closing
shall nevertheless occur on such scheduled closing date, with the cash purchase
price being reduced to the extent of all unpaid indebtedness for which such
Purchasable Shares are then pledged or encumbered.

          (d) To assure the enforceability of the Company's rights under this
Section 11, each certificate or instrument representing Option Shares subject to
this Option Agreement shall bear a conspicuous legend in substantially the
following form:

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     "THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO AN OPTION TO
     REPURCHASE PROVIDED UNDER THE PROVISIONS OF A STOCK OPTION AGREEMENT
     ENTERED INTO BY AND BETWEEN THE COMPANY AND THE ORIGINAL HOLDER OF THIS
     CERTIFICATE. A COPY OF SUCH OPTION AGREEMENT IS AVAILABLE UPON WRITTEN
     REQUEST TO THE COMPANY AT ITS PRINCIPAL EXECUTIVE OFFICES."

     12. Stockholders Agreement.

          Employee acknowledges and agrees that upon exercise of an Option,
Employee will enter into and become bound by the Stockholders Agreement among
the Company and the other parties thereto, substantially in the form made
available to Employee concurrently herewith, as such Stockholders Agreement may
be subsequently modified or amended.

          To the extent required by the Stockholders Agreement, certificates for
Option Shares, when issued, will have substantially the following legend:

          THIS SECURITY IS SUBJECT TO RESTRICTIONS ON TRANSFER, VOTING AND OTHER
          TERMS AND CONDITIONS SET FORTH IN THE STOCKHOLDERS AGREEMENT DATED AS
          OF OCTOBER 1, 1998, A COPY OF WHICH MAY BE OBTAINED FROM CUSTOMERONE
          HOLDING CORPORATION AT ITS PRINCIPAL EXECUTIVE OFFICES.

     13. Multiple Classes and Series of Stock.

          Certificates for Option Shares, when issued, will have substantially
the following legend:

          THE ISSUER IS AUTHORIZED TO ISSUE SHARES OF MORE THAN ONE CLASS AND TO
          ISSUE SHARES IN MORE THAN ONE SERIES OF AT LEAST ONE CLASS. THE ISSUER
          WILL FURNISH WITHOUT CHARGE TO EACH STOCKHOLDER WHO SO REQUESTS A
          STATEMENT OF THE POWERS, DESIGNATIONS, PREFERENCES AND RELATIVE,
          PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF STOCK
          OR SERIES THEREOF AND THE QUALIFICATIONS, LIMITATIONS OR RESTRICTIONS
          OF SUCH PREFERENCES AND/OR RIGHTS.

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     14. Effect on Employment.

          This Option Agreement is not a contract of employment and the terms of
Employee's employment shall not be affected by, or construed to be affected by,
this Option Agreement, except to the extent specifically provided herein.
Nothing herein shall impose, or be construed as imposing, any obligation (i) on
the part of the Company or any Related Entity to continue Employee's employment,
or (ii) on the part of Employee to remain in the employ of the Company or any
Related Entity.

            [THE REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK]

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          IN WITNESS WHEREOF, the parties have caused this Option Agreement to
be executed as of the date first set forth above.

                                            CLIENTLOGIC HOLDING CORPORATION

                                            By: /s/ GENE MORPHIS
                                               ---------------------------------
                                            Its: CFO
                                                --------------------------------

                                                 /s/ MARK R. BRIGGS
                                             -----------------------------------
                                                     Mark R. Briggs<PAGE>   1
                                                                   EXHIBIT 10.32

                 [CARON & STEVENS/BAKER & MCKENZIE LETTERHEAD]

                          CORDENA CALL MANAGEMENT B.V.

                            established at Amsterdam

                              Deed of share issue

Certified copy of the deed of share issue, executed before H. van Wilsum, Esq.,
a civil-law notary residing in Amsterdam, on September 17, 1998.

<PAGE>   2
                        CARON & STEVENS/BAKER & MCKENZIE

                                                                               1

                                  SHARE ISSUE

This day, the seventeenth day of September nineteen hundred and ninety-eight,
there appeared before me, Hendrik van Wilsum, Esq., a civil-law notary in
Amsterdam:

Catharina Martina Johanna Tielemans, Esq., deputy civil-law notary, unmarried,
residing at 1053 HB Amsterdam, Jacob van Lennepstraat 21/1A, born at Eindhoven
on the twenty-first day of March nineteen hundred and seventy-two, passport
number N69662327, acting for the purpose hereof as attorney in fact of:

1.   Cordena Call Management B.V., a private company with limited liability,
having its corporate seat in Amsterdam, and with address: 1017 PS Amsterdam.
Leidseplein 29, hereinafter referred to as the "Company"; and

2.   a.   Global Private Equity III Limited Partnership, a limited partnership
          formed and entered into under the laws of the state of Delaware,
          United States of America, having its registered office at Corporation
          Trust center, 1209 Orange Street, Wilmington, New Castle County,
          Delaware 19801, United States of America, hereinafter referred to as
          "GPE III LP";

     b.   Global Private Equity III - A Limited Partnership, a limited
          partnership formed and entered into under the laws of the state of
          Delaware, United States of America, having its registered office at
          Corporation Trust center, 1209 Orange Street, Wilmington, New Castle
          County, Delaware 19801, United States of America, hereinafter referred
          to as "GPE III-A LP";

<PAGE>   3
                        CARON & STEVENS/BAKER & MCKENZIE

                                                                               2

     c.   Global Private Equity III-B Limited Partnership, a limited
          partnership formed and entered into under the laws of the state of
          Delaware, United States of America, having its registered office at
          Corporation Trust center, 1209 Orange Street, Wilmington, New Castle
          County, Delaware 19801, United States of America, hereinafter referred
          to as "GPE III-B LP";

     d.   Advent Partners (NA) GPE III Limited Partnership, a limited
          partnership, formed and entered into under the laws of the state of
          Delaware, United States of America, having its registered office at
          Corporation Trust center, 1209 Orange Street, Wilmington, New Castle
          County, Delaware 19801, United States of America, hereinafter referred
          to as "Advent Partners(NA) GPE III LP";

     e.   Advent Partners GPE III Limited Partnership, a limited partnership,
          formed and entered into under the laws of the state of Delaware,
          United States of America, having its registered office at Corporation
          Trust center, 1209 Orange Street, Wilmington, New Castle County,
          Delaware 19801, United States of America, hereinafter referred to as
          "Advent Partners GPE III LP";

     f.   Global Private Equity III-C Limited Partnership, a limited
          partnership, formed and entered into under the laws of the state of
          Delaware, United States of America, having its registered office at
          Corporation Trust center, 1209 Orange Street, Wilmington, New Castle
          County, Delaware 19801, United States of America, hereinafter referred
          to as "GPE III-C LP";

     g.   Advent PGGM Global Limited Partnership, a limited partnership, formed
          and entered into under the laws of the state of Delaware, United
          States of America,
<PAGE>   4
                        CARON & STEVENS/BAKER & MCKENZIE

                                                                             3

          having its registered office at Corporation Trust center, 1209 Orange
          Street, Wilmington, New Castle County, Delaware 19801, United States
          of America, hereinafter referred to as "Advent PGGM Global LP";

     h.   Oakstone Ventures Limited Partnership, a limited partnership, formed
          and entered into under the laws of the state of Delaware, United
          States of America, having its registered office at Corporation Trust
          center, 1209 Orange Street, Wilmington, New Castle County, Delaware
          19801, United States of America, hereinafter referred to as "Oakstone
          Ventures LP";

     i.   Advent Partners Limited Partnership, a limited partnership, formed and
          entered into under the laws of the state of Delaware, United States of
          America, having its registered office at Corporation Trust center,
          1209 Orange Street, Wilmington, New Castle County, Delaware 19801,
          United States of America, hereinafter referred to as "Advent Partners
          LP";

     j.   Jules Timotheus Henricus Maria Kortenhorst, manager, married, born in
          Oss, on the third day of February nineteen hundred and sixty-one,
          residing at 2244 AZ Wassenaar, Helmlaan 10, hereinafter referred to
          as "Kortenhorst";

     k.   Caroline Christine van der Laan, manager, married, born in the Hague,
          on the twenty-sixth day of December nineteen hundred and forty-nine,
          residing at 3645 AD Vinkeveen, Baambrugse Zuwe 125 B, American
          nationality, hereinafter referred to as "Van der Laan";

     l.   Susan Ann Boyle, telecom employee, married, born in Jersey City, New
          Jersey, United States of America, on the twenty-third day of April
          nineteen hundred and fifty-six, residing at 2396 VK Koudekerk aan de
          Rijn, Van Egtenplantsoen 16, American nationality, hereinafter
          referred to as "Boyle";

<PAGE>   5
                        CARON & STEVENS/BAKER & MCKENZIE

                                                                               4

     m.   Peter Eduard Dekker, director, married, residing at 3755 KK Bosch en
          Duin, Reelaan 31, born in Voorst on the third day of May nineteen
          hundred fifty-four, hereinafter referred to as "Dekker";

     n.   Fredericus Gerardus Maria Hulsink, director, married, born in
          Ootmarsum, on the nineteenth day of July nineteen hundred and
          fifty-one, residing at 7601 GH Almelo, Bornestraat 239, hereinafter
          referred to as "Hulsink";

     o.   Breydon Limited, a company incorporated under the laws of the British
          Isles, with registered office at P.O. Box 44030, 10074 Stockholm,
          Sweden, hereinafter referred to as "Breydon";

     p.   David Theron Kumar Sarda, private equity investor, married, born in
          New York, United States of America on the fourth day of June nineteen
          hundred and sixty, residing at 487 Country Road, New Canaan, CT 06840
          United States of America, American nationality, hereinafter referred
          to as "Sarda";

     q.   Ronald William Butler, company director, married, residing at 38 Stoke
          Farthing, Broadchalke, Salisbury SP5 5EL, United Kingdom, born in
          Edinburgh, Scotland, on the eighth day of May nineteen hundred
          fifty-two, hereinafter referred to as "Butler";

     r.   Christopher Fitzroy Robinson, company director, married, residing at
          Bowbeer Farmhouse, Spreyton, Crediton, Devon EX17 5AE, United Kingdom,
          born in Hove, United Kingdom, on the twenty-second day of June
          nineteen hundred fifty-three, hereinafter referred to as "Robinson";

     s.   Sally Vanessa Robinson, housewife, married, residing at Bowbeer
          Farmhouse, Spreyton, Crediton, Devon EX17 5AE, United Kingdom, born in
          London, United Kingdom, on the twenty-ninth day of May nineteen
          hundred fifty-four; hereinafter referred to as "Mrs. Robinson";

<PAGE>   6
                        CARON & STEVENS/BAKER & MCKENZIE

                                                                             5

     t.   William Butler, no occupation, married, residing at 48 Redford Road,
          Edinburgh, Scotland, EH13 0AE, born in Edinburgh, Scotland, on the
          fifth day of June nineteen hundred thirteen, hereinafter referred to
          as "Mr. Butler";

     u.   Jeroen Jules Smits, no profession, unmarried, born in Zwolle, the
          Netherlands, on the twenty-eighth day of January nineteen hundred and
          ninety-two, residing at 8033 DV Zwolle, Ruurlosebeek 14, hereinafter
          referred to as "Jeroen";

     v.   Caroline Juliette Gabique Smits, no profession, unmarried, born in
          Zwolle, the Netherlands, on the twenty-fourth day of April nineteen
          hundred and ninety-four, residing at 8033 DV Zwolle, Ruurlosebeek 14,
          hereinafter referred to as "Caroline";

     w.   Alessandra Mei Kortenhorst, no profession, unmarried, born in Hong
          Kong, on the fourth day of April nineteen hundred and ninety-one,
          residing at 2244 AZ Wassenaar, Helmlaan 10, the Netherlands,
          hereinafter referred to as "Alessandra";

     x.   Jules Kiril Kortenhorst, no profession, unmarried, born in Arnhem,
          the Netherlands, on the twenty-eighth day of April nineteen hundred
          and ninety-three, residing at 2244 AZ Wassenaar, Helmlaan 10, the
          Netherlands, hereinafter referred to as "Jules";

     y.   Winston Powell Kortenhorst, no profession, unmarried, born in St.
          Petersburg, Florida,, United States of America,on the thirteenth day
          of January nineteen hundred and ninety-five, residing at 2244 AZ
          Wassenaar, Helmlaan 10, the Netherlands, hereinafter referred to as
          "Winston";

     z.   Rainier George Kortenhorst, no profession, unmarried, born in the
          Hague, the Netherlands, on the fourteenth day of August nineteen
          hundred and ninety-seven, residing at 2244 AZ Wassenaar, Helmlaan 10,
          the Netherlands, hereinafter referred to as "Rainer";

<PAGE>   7
                        CARON & STEVENS/BAKER & MCKENZIE
                                                                               6

          the parties referred to under 2.a up to and including z, hereinafter
          jointly as well as individually referred to as the "Acquirer".

     3.   Stichting Administratiekantoor Cordena Call Management, with
          registered office in Amsterdam and with address: 1017 PS Amsterdam,
          Leideplein 29, hereinafter referred to as the "Stichting".

     The powers of attorney granted to the deponent, the existence of which has
     been sufficiently demonstrated to me, civil-law notary, are evidenced by
     twenty-three (23) private deeds of attorney attached to this deed. The
     identity of the deponent of this deed was established by me, a civil-law
     notary, on the basis of the above-mentioned document intended for
     identification purposes. The deponent, acting in her said capacity,
     declared as follows:

     A.    PRESENT SHAREHOLDING/SHAREHOLDER'S RESOLUTION:

     1.   The Stichting is holder of the entire issued and outstanding share
          capital of the Company, consisting of three million seven hundred
          forty-six thousand three hundred and twenty-three (3,746,323) shares,
          numbered 1 up to an including 3,476,323, each share having a nominal
          value of four Netherlands cents (NLG 0,04); depositary receipts for
          shares in the Company have not been issued with the Company's
          concurrence and there are no persons to whom the law attributes the
          right accruing to holders of depositary receipts issued with the
          Company's concurrence;

     2.   The Stichting in its capacity of sole shareholder of the Company and
          in conformity with article 43 of the Company's Articles of
          Incorporation, hereby resolves

          A.   to issue to:

               a:   GPE III LP five hundred eighteen thousand four hundred one
                    (518,401) shares in the Company's capital stock, numbered
                    3,746,324 up to and including 4,264,724 with a par value of
                    four
<PAGE>   8

     C. BAKER & MCKENZIE

          Netherlands cents (NLG 0.04) each, _______________, hereinafter
          referred to as the "GPE III LP Shares"; ______________________

          b. GPE III-A LP two hundred forty-two thousand two hundred (242,200)
          shares in the Company's capital stock, numbered 4,264,725 up to and
          including 4,506,924, with a par value of four Netherlands cents (NLG
          0.04) each, _____________, hereinafter referred to as the "GPE III-A
          LP Shares"; ______________________

          c. GPE III-B LP twelve thousand two hundred (12,200) shares in the
          Company's capital stock, numbered 4,506,925 up to and including
          4,519,124, with a par value of four Netherlands cents (NLG 0.04) each,
          _____________, hereinafter referred to as the "GPE III-B LP Shares";
          ______________________

          d. Advent Partners (NA) GPE III LP two thousand four hundred (2,400)
          shares in the Company's capital stock, numbered 4,510,125 up to and
          including 4,520,524, with a par value of four Netherlands cents (NLG
          0.04) each, ______________________, hereinafter referred to as the
          "Advent Partners (NA) GPE III LP Shares"; ______________________

          e. Advent Partners GPE III LP eight thousand (8,000) shares in the
          Company's capital stock, numbered 4,521,525 up to and including
          4,529,524, with a par value of four Netherlands cents (NLG 0.04) each,
          ______________________, hereinafter referred to as the "Advent
          Partners GPE III LP Shares"; ______________________

          f. GPE III-C LP one hundred sixty-one thousand six hundred (161,600)
          shares in the Company's capital stock, numbered 4,529,525 up to and
          including 4,691,124, with a par value of four Netherlands cents (NLG
          0.04) each, ______________________,
<PAGE>   9
                        CARON & STEVENS/BAKER & MCKENZIE

                                                                               8

          hereinafter referred to as the "GPE III-C LP Shares";

     g.   Advent PGGM Global LP eighty thousand eight hundred (80,800) shares in
          the Company's capital stock, numbered 4,691,125 up to and including
          4,771,924, with a par value of four Netherlands cents (NLG 0,04) each,
          hereinafter referred to as the "Advent PGGM Global LP Shares";

     h.   Oakstone Ventures LP forty-four thousand eight hundred (44,800) shares
          in the Company's capital stock, numbered 4,771,525 up to and including
          4,816,7214, with a par value of four Netherlands cents (NLG 0,04)
          each, hereinafter referred to as the "Oakstone Ventures LP Shares";

     i.   Advent Partners LP four thousand four hundred (4,400) shares in the
          Company's capital stock, numbered 4,816,725 up to and including
          4,821,124, with a par value of four Netherlands cents (NLG 0,04) each,
          hereinafter referred to as the "Advent Partners LP Shares";

     j.   Kortenhorst one hundred forty-three thousand four hundred seventy-one
          (143,471) shares in the Company's capital stock, numbered 4,821,125 up
          to and including 4,964,595, with a par value of four Netherlands cents
          (NLG 0,04) each, hereinafter referred to as the "Kortenhorst Shares";

     k.   Van der Laan seven thousand five hundred eighty-five (7,585) shares in
          the Company's capital stock, numbered 4,964,556 up to and including
          4,972,180, with a par value of four Netherlands cents (NLG 0,04) each,
          hereinafter referred to as the "Van der Laan
<PAGE>   10
                        CARON & STEVENS/BAKER & MCKENZIE

                                                                               9

          Shares";

     l.   Boyle seven thousand five hundred eighty-five (7,585) shares in the
          Company's capital stock, numbered 4,972,181 up to and including
          4,979,765, with a par value of four Netherlands cents (NLG 0,04) each,
          hereinafter referred to as the "Boyle Shares";

     m.   Dekker twenty-three thousand four hundred nine (23,409) shares in the
          Company's capital stock, numbered 4,979,766 up to and including
          5,003,174 with a par value of four Netherlands cents (NLG 0,04) each,
          hereinafter referred to as the "Dekker Shares";

     n.   Hulsink seventy-four thousand eight hundred fifty (74,850) shares in
          the Company's capital stock, numbered 5,003,175 up to and including
          5,078,024, with a par value of four Netherlands cents (NLG 0,04) each,
          hereinafter referred to as the "Hulsink Shares";

     o.   Breydon seventy-five thousand (75,000) shares in the Company's capital
          stock, numbered 5,078,025 up to and including 5,153,024, with a par
          value of four Netherlands cents (NLG 0,04) each, hereinafter referred
          to as the "Breydon Shares";

     p.   Sarda seventy-five thousand (75,000) shares in the Company's capital
          stock, numbered 5,153,025 up to and including 5,228,024, with a par
          value of four Netherlands cents (NLG 0,04) each, hereinafter referred
          to as the "Sarda Shares";

     q.   Butler two thousand two hundred sixty-two

<PAGE>   11
                        CARON & STEVENS/BAKER & MCKENZIE

                                                                             10

          (2,262) shares in the Company's capital stock, numbered 5,228,025 up
          to and including 5,230,286, with a par value of four Netherlands cents
          (NLG 0,04) each, hereinafter referred to as the "Butler Shares";

     r.   Robinson five hundred (500) shares in the Company's capital stock,
          numbered 5,230,287 up to and including 5,230,786, with a par value of
          four Netherlands cents (NLG 0,04) each, hereinafter referred to as the
          "Robinson Shares";

     s.   Mrs. Robinson five hundred (500) shares in the Company's capital
          stock, numbered 5,230,787 up to and including 5,231,286, with a par
          value of four Netherlands cents (NLG 0,04) each, hereinafter referred
          to as the "Mrs. Robinson Shares";

     t.   Mr. Butler eight hundred four (804) shares in the Company's capital
          stock, numbered 5,231,287 up to and including 5,232,090 with a par
          value of four Netherlands cents (NLG 0,04) each, hereinafter referred
          to as the "Mr. Butler Shares";

     u.   Jeroen four hundred twenty-nine (429) shares in the Company's capital
          stock, numbered 5,232,091 up to and including 5,232,515, with a par
          value of four Netherlands cents (NLG 0,04) each, hereinafter referred
          to as the "Jeroen Shares";

     v.   Caroline four hundred twenty-nine (429) shares in the Company's
          capital stock, numbered 5,232,520 up to and including 5,232,948, with
          a par value of four Netherlands cents (NLG 0,04) each, hereinafter
          referred to as the "Caroline
<PAGE>   12
                        CARON & STEVENS/BAKER & MCKENZIE
                                                                              11

                    Shares";

          w.        Alessandra four hundred twenty-nine (429) shares in the
                    Company's capital stock, numbered 5,232,949 up to and
                    including 5,233,377, with a par value of four Netherlands
                    cents (NLG 0,04) each, hereinafter referred to as the
                    "Alessandra Shares";

          x.        Jules four hundred twenty-nine (429) shares in the Company's
                    capital stock numbered 5,233,378 up to and including
                    5,233,806, with a par value of four Netherlands cents (NLG
                    0,04) cents (NLG 0,04) each, hereinafter referred to as the
                    "Jules Shares";

          y.        Winston four hundred twenty-nine (429) shares in the
                    Company's capital stock, numbered 5,233,807 up to
                    and including 5,234,235, with a par value of four
                    Netherlands cents (NLG 0,04) each, hereinafter referred to
                    as the "Winston Shares";

          z.        Ranier four hundred twenty-nine (429) shares in the
                    Company's capital stock, numbered 5,234,236 up to and
                    including 5,234,664 with a par value of four Netherlands
                    cents (NLG 0,04) each, hereinafter referred to as the
                    "Rainier Shares";

          all these shares to be issued at an issue price of seven Netherlands
          Guilders (NLG 7. --) per share provided that payment is made in cash

    B.    to exclude the pre-emptive rights with respect to the issue referred
          to above:

    C.    to approve that the Company grants a right to purchase the following
          shares to be newly issued:

          a.        seventy-four thousand fifty-seven (74,057)

<PAGE>   13
                        CARON & STEVENS/BAKER & MCKENZIE

               shares to GPE III LP, hereinafter referred to as the "GPE III LP
               Option";

          b.   thirty-four thousand six hundred (34,600) shares to GPE III-A LP,
               hereinafter referred to as the "GPE III-A LP Option";

          c.   one thousand seven hundred forty-three (1,743) shares to GPE
               III-B LP, hereinafter referred to as the "GPE III-B LP Option";

          d.   three hundred forty-three (343) shares to Advent Partners (NA)
               GPE III LP, hereinafter referred to as the "Advent Partners (NA)
               GPE III LP Option";

          e.   one thousand one hundred forty-nine (1,143) shares to Advent
               Partners GPE III LP, hereinafter referred to as the "Advent
               Partners GPE III LP, Option";

          f.   twenty-three thousand eighty-six (23,086) shares to GPE III-C
               LP, hereinafter referred to as the "GPE III-C LP Option";

          g.   eleven thousand five hundred forty-three (11,543) shares to
               Advent PGGM Global LP hereinafter referred to as the "Advent
               PGGM Global LP Option";

          h.   six thousand four hundred (6,400) shares to Oakstone Ventures LP,
               hereinafter referred to as the "Oakstone Ventures LP Option";

          i.   six hundred twenty-nine (629) shares to Advent Partners LP,
               hereinafter referred to as the "Advent Partners LP Option";

          j.   twenty thousand four hundred ninety-six (20,496) shares to
               Kortenhorst, hereinafter referred to as the "Kortenhorst Option";

          k.   one thousand eighty-three (1,083) shares to Van der Laan,
               hereinafter referred to as the "Van der Laan Option";

          l.   one thousand eighty-four (1,084) shares to

<PAGE>   14
                        CARON & STEVENS/BAKER & MCKENZIE

                                                                              13

              Boyle, hereinafter referred to as the "Boyle Option";

          m.  three thousand three hundred forty-four (3,344) shares to Dekker,
              hereinafter referred to as the "Dekker Option";

          n.  ten thousand six hundred ninety-three (10,693) shares to Hulsink,
              hereinafter referred to as the "Hulsink Option";

          o.  ten thousand seven hundred fourteen (10,714) shares to Breydon,
              hereinafter referred to as the "Breydon Option";

          p.  ten thousand seven hundred and fourteen (10,714) shares to Sarda,
              hereinafter referred to as the "Sarda Option";

          q.  three hundred twenty-three (323) shares to Butler, hereinafter
              referred to as the "Butler Option";

          r.  seventy-one (71) shares to Robinson, hereinafter referred to as
              the "Robinson Option";

          s.  seventy-one (71) shares to Mrs. Robinson, hereinafter referred to
              as the "Mrs. Robinson Option";

          t.  one hundred fifteen (115) shares to Mr. Butler, hereinafter
              referred to as the "Mr. Butler Option";

          u.  sixty-one (61) shares to Jeroen, hereinafter referred to as the
              "Jeroen Option";

          v.  sixty-one (61) shares to Caroline, hereinafter referred to as the
              "Caroline Option";

          w.  sixty-one (61) shares to Alessandra, hereinafter referred to as
              the "Alessandra Option";

          x.  sixty-one (61) shares to Jules, hereinafter referred to as the
              "Jules Option";

          y.  sixty-one (61) shares to Winston, hereinafter referred to as the
              "Winston Option";

          z.  sixty-one (61) shares to Rainier, hereinafter
<PAGE>   15

[CARON & STEVENS LOGO]

                                                                              14

          referred to as the "Rainier Option":

          the options hereinafter jointly as well as separately referred to as
          the "Optioned Shares" in the Company's capital stock at n issue price
          of seven Netherlands guilders (NLG 7.--) per share, hereinafter
          referred to as the "Option".

     D.   to exclude the pre-emptive rights with respect to the issue of shares
          as a result of the options  granted under C. above.

SHARE ISSUE:

1.   Pursuant to the shareholder's resolution to issue shares as referred to
     above, the Company hereby issues:

          a.   the GPE III LP Shares to GPE III LP on condition that the GPE III
               LP satisfies the ensuing payment obligation;
          b.   the GPE III-A LP Shares to GPE III-A LP on condition that GPE
               III-A LP satisfies the ensuing payment obligation;
          c.   the GPE III-B LP Shares to GPE III-B LP on condition that GPE
               III-B LP satisfies the ensuing payment obligation;
          d.   the Advent Partners (NA; GPE III-LP shares to Advent Partners
               (NA) GPE III LP on condition that Advent Partners (NA) GPE III LP
               satisfies the ensuing payment obligation;
          e.   the Advent Partners GPE III LP Shares to Advent Partners GPE III
               LP on condition that Advent Partners GPE III LP satisfies the
               ensuing payment obligation;
          f.   the GPE III-C LP Shares to GPE III-C LP on condition that GPE
               III-C LP satisfies the ensuing payment obligation;
          g.   the Advent PGGM Global LP Shares to Advent PGGM Global LP on
               condition that Advent PGGM Global LP satisfies the ensuing
               payment obligation;
          h.   the Oakstone Ventures LP Shares to Oakstone Ventures
<PAGE>   16

                        CARON & STEVENS/BAKER & MCKENZIE

                                                                              15

               LP on condition that Oakstone Ventures LP satisfies the ensuing
               payment obligation;

          i.   the Advent Partners LP Shares to Advent Partners LP on condition
               that Advent Partners LP satisfies the ensuing payment obligation;

          j.   the Kortenhorst Shares to Kortenhorst on condition that
               Kortenhorst satisfies the ensuing payment obligation;

          k.   the Van der Laan Shares to Van der Laan on condition that Van
               der Laan satisfies the ensuing payment obligation;

          l.   the Boyle Shares to Boyle on condition that Boyle satisfies the
               ensuing payment obligation;

          m.   the Dekker Shares to Dekker on condition that Dekker satisfies
               the ensuing payment obligation;

          n.   the Hulsink Shares to Hulsink on condition that Hulsink
               satisfies the ensuing payment obligation;

          o.   the Breydon Shares to Breydon on condition that Breydon satisfies
               the ensuing payment obligation;

          p.   the Sarda Shares to Sarda on condition that Sarda satisfies the
               ensuing payment obligation;

          q.   the Butler Shares to Butler on condition that Butler satisfies
               the ensuing payment obligation;

          r.   the Robinson Shares to Robinson on condition that Robinson
               satisfies the ensuing payment obligation;

          s.   the Mrs Robinson Shares to Mrs Robinson on condition that Mrs
               Robinson satisfies the ensuing payment obligation;

          t.   the Mr Butler Shares to Mr Butler on condition that Mr Butler
               satisfies the ensuing payment obligation;

          u.   the Jeroen Shares to Jeroen on condition that Jeroen satisfies
               the ensuing payment obligation;

          v.   the Caroline Shares to Caroline on condition that Caroline
               satisfies the ensuing payment obligation;

<PAGE>   17
                        CARON & STEVENS/BAKER & MCKENZIE

                                                                              16

     w.   the Alessandra Shares to Alessandra on condition that Alessandra
          satisfies the ensuing payment obligation;

     x.   the Jules shares to Jules on condition that Jules satisfies the
          ensuing payment obligation;

     y.   the Winston shares to Winston on condition that Winston satisfies the
          ensuing payment obligation;

     z.   the Rainier shares to Rainier on condition that Rainier satisfies the
          ensuing payment obligation;

2.   Acquirer accepts the shares specified in paragraph 1 subject to the
     condition specified therein.

3.   The Company has received payment for the shares specified in paragraph 1
     and herewith discharges Acquirer of its payment obligation.

4.   The costs associated with this deed shall be paid by the company.

5.   The Company shall cause the notes required for the share issue to be
     entered into the shareholders' register.

Granting of options:

1.   Pursuant to the shareholders' resolution to grant the Option as referred to
     above, the Company hereby grants under the terms and conditions as set out
     in a schedule attached to this deed to:

     a.   GPE III LP the GPE III LP Option, who accepts the GPE III LP Option;

     b.   GPE III-A LP the GPE III-A LP Option, who accepts the GPE III-A LP
          Option;

     c.   GPE III-B LP the GPE III-B LP Option, who accepts the GPE III-B LP
          Option;

     d.   Advent Partners (NA) GPE III LP the Advent Partners (NA) GPE III LP
          Option, who accepts the advent Partners (NA) GPE III LP Option;

     e.   Advent Partners GPE III LP the Advent Partners GPE III LP Option, who
          accepts the Advent Partners GPE
<PAGE>   18
                        CARON & STEVENS/BAKER & MCKENZIE

          III LP Option;

     f.   GPE III-C LP the GPE III-C LP Option, who accepts the GPE III-C LP
          Option;

     g.   Advent PGGM Global LP the Advent PGGM Global LP Option, who accepts
          the Advent PGGM Global LP Option;

     h.   Oakstone Ventures LP the Oakstone Ventures LP Option, who accepts the
          Oakstone Ventures LP Option;

     i.   Advent Partners LP the Advent Partners LP Option, who accepts the
          Advent Partners LP Option;

     j.   Kortenhorst the Kortenhorst Option, who accepts the Kortenhorst
          Option;

     k.   Van der Laan the Van der Laan Option, who accepts the Van der Laan
          Option;

     l.   Boyle the Boyle Option, who accepts the Boyle Option;

     m.   Dekker the Dekker Option, who accepts the Dekker Option;

     n.   Hulsink the Hulsink Option, who accepts the Hulsink Option;

     o.   Breydon the Breydon Option, who accepts the Breydon Option;

     p.   Sarda the Sarda Option, who accepts the Sarda Option;

     q.   Butler the Butler Option, who accepts the Butler Option;

     r.   Robinson the Robinson option, who accepts the Robinson Option;

     s.   Mrs. Robinson the Mrs. Robinson Option, who accepts the Mrs. Robinson
          option;

     t.   Mr. Butler the Mr. Butler Option, who accepts the Mr. Butler Option;

     u.   Jeroen the Jeroen Option, who accepts the Jeroen Option;

     v.   Caroline the Caroline Option, who accepts the Caroline Option;
<PAGE>   19
                                                                              18

                        CARON & STEVENS/BAKER & MCKENZIE

          w.   Alessandra the Alessandra Option, who accepts the Alessandra
               Option;

          x.   Jules the Jules Option, who accepts the Jules Option;

          y.   Winston the Winston Option, who accepts the Winston Option;

          z.   Rainier the Rainier Option, who accepts the Rainier Option;

          The deponent was known to me, a civil-law notary.

     WITNESSED THIS DEED, the original of which was drawn up and executed in
     Amsterdam at the date first noted above.

     After the purport of this deed was explained to the deponent, she declared
     that she had taken note of its contents and waived a full reading thereof.
     After a limited reading, this deed was subsequently signed by the deponent
     and me, a civil law notary.
     (Signed: C.M.J. Tielemans; H. van Wilsum).

                                 FOR TRUE COPY

[SEAL]
<PAGE>   20
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Global Private Equity III Limited Partnership, a limited partnership formed and
entered into under the laws of the state of Delaware, United States of America,
having its registered office at Corporation Trust Center, 1209 Orange Street,
Wilmington, New Castle County, Delaware 19801, United States of America;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep
<PAGE>   21
                                                                               2

the attorney indemnified and hold harmless against any losses, suits, claims,
demands, obligations, liabilities and damages which he may suffer or incur
arising out of the exercise of his powers to this instrument.

Signed at                on                 , 1998

/s/ JANET J. HENNEY
---------------------------------------------
Global Private Equity III Limited Partnership
<PAGE>   22
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Global Private Equity III-A Limited Partnership, a limited partnership formed
and entered into under the laws of the state of Delaware, United States of
America, having its registered office at Corporation Trust Center, 1209 Orange
Street, Wilmington, New Castle County, Delaware 19801, United States of America;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep
<PAGE>   23
                                                                               2

the attorney indemnified and hold harmless against any losses, suits, claims,
demands, obligations, liabilities and damages which he may suffer or incur
arising out of the exercise of his powers to this instrument.

Signed at                on                 , 1998

/s/ JANET J. HENNEY
-----------------------------------------------
Global Private Equity III-A Limited Partnership
<PAGE>   24
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Global Private Equity III-B Limited Partnership, a limited partnership formed
and entered into under the laws of the state of Delaware, United States of
America, having its registered office at Corporation Trust Center, 1209 Orange
Street, Wilmington, New Castle County, Delaware 19801, United States of America;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep

<PAGE>   25
                                                                               2

the attorney indemnified and hold harmless against any losses, suits, claims,
demands, obligations, liabilities and damages which he may suffer or incur
arising out of the exercise of his powers to this instrument.

Signed at                on                 , 1998

/s/ JANET J. HENNEY
-----------------------------------------------
Global Private Equity III-B Limited Partnership
<PAGE>   26
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Advent Partners (NA) GPE III Limited Partnership, a limited partnership formed
and entered into under the laws of the state of Delaware, United States of
America, having its registered office at Corporation Trust Center, 1209 Orange
Street, Wilmington, New Castle County, Delaware 19801, United States of America;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep

<PAGE>   27
                                                                               2

the attorney indemnified and hold harmless against any losses, suits, claims,
demands, obligations, liabilities and damages which he may suffer or incur
arising out of the exercise of his powers to this instrument.

Signed at                on                 , 1998

/s/ JANET J. HENNEY
------------------------------------------------
Advent Partners (NA) GPE III Limited Partnership
<PAGE>   28
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Advent Partners GPE III Limited Partnership, a limited partnership formed and
entered into under the laws of the state of Delaware, United States of America,
having its registered office at Corporation Trust Center, 1209 Orange Street,
Wilmington, New Castle County, Delaware 19801, United States of America;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep
<PAGE>   29
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Advent PGGM Global Limited Partnership, a limited partnership formed and
entered into under the laws of the state of Delaware, United States of America,
having its registered office at Corporation Trust Center, 1209 Orange Street,
Wilmington, New Castle County, Delaware 19801, United States of America;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company, in
    accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep
<PAGE>   30
                                                                               2

the attorney indemnified and hold harmless against any losses, suits, claims,
demands, obligations, liabilities and damages which he may suffer or incur
arising out of the exercise of his powers to this instrument.

Signed at                on                 , 1998

/s/ JANET J. HENNEY
--------------------------------------
Advent PGGM Global Limited Partnership
<PAGE>   31
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Oakstone Ventures Limited Partnership, a limited partnership formed and entered
into under the laws of the state of Delaware, United States of America, having
its registered office at Corporation Trust Center, 1209 Orange Street,
Wilmington, New Castle County, Delaware 19801, United States of America;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company, in
    accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep
<PAGE>   32
                                                                               2

the attorney indemnified and hold harmless against any losses, suits, claims,
demands, obligations, liabilities and damages which he may suffer or incur
arising out of the exercise of his powers to this instrument.

Signed at                on                 , 1998

/s/ JANET J. HENNEY
-------------------------------------
Oakstone Ventures Limited Partnership
<PAGE>   33
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Advent Partners Limited Partnership, a limited partnership formed and entered
into under the laws of the state of Delaware, United States of America, having
its registered office at Corporation Trust Center, 1209 Orange Street,
Wilmington, New Castle County, Delaware 19801, United States of America;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep
<PAGE>   34
                                                                               2

the attorney indemnified and hold harmless against any losses, suits, claims,
demands, obligations, liabilities and damages which he may suffer or incur
arising out of the exercise of his powers to this instrument.

Signed at                on                 , 1998

/s/ JANET J. HENNEY
-----------------------------------
Advent Partners Limited Partnership
<PAGE>   35

                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Mr. J.T.H.M. Kortenhorst, a private individual,

full name                      :  Jules T.H.M. Kortenhorst
residing at (private address)  :  Helmlaan 10
                                  2244 AZ Wagsenaar
profession                     :  Manager
place of birth                 :  Oss
date of birth                  :  03-02-1961
married/unmarried              :  married
nationality                    :  Dutch

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, and in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    and in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

in his capacity of managing director of Cordena Call Management B.V.:

1.  to execute the notarial deed of issuance of shares in the
<PAGE>   36

                                                                               2

    Company, and in accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    and in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

in his capacity of board member of Stichting Administratie-kantoor Cordena
Call Management, hereinafter referred to as "Stichting":

1.  to execute the notarial deed of issuance of shares in the Company, and in
    accordance with the draft deed is marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company, and
    in accordance with the draft deed is marked
    ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep the attorney indemnified and hold harmless
against any losses, suits, claims, demands, obligations, liabilities and damages
which he may suffer or incur arising out of the exercise of his powers to this
instrument.

Signed at The Hague on 11/8/ , 1998

/s/ J. T. H. M. KORTENHORST
----------------------------
Mr. J. T. H. M. Kortenhorst
<PAGE>   37
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Caroline Christine van der Laan, manager, married, born in the Hague, on the
twenty-sixth day of December nineteen hundred and forty-nine, residing at 3645
AD Vinkeveen, Baambrugse Zuwe 125 9, American nationality;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep the attorney indemnified and hold harmless
against any losses, suits, claims, demands, obligations, liabilities and
damages

<PAGE>   38
                                                                               2

which he may suffer or incur arising out of the exercise of his powers to this
instrument.

Signed at Amsterdam on Aug. 20, 1998

/s/ C. C. VAN DER LAAN
---------------------------------------------
C. C. van der Laan

<PAGE>   39
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Susan Ann Boyle, telecom employee, married, born in Jersey City, New Jersey,
United States of America, on the twenty-third day of April nineteen hundred and
fifty-six, residing at 2396 VK Koudckerk aan de Rijn, Van Egtenplantsoen 16,
American nationality;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep the attorney indemnified and hold harmless
against any losses,
<PAGE>   40
                                                                               2

suits, claims, demands, obligations, liabilities and damages which he may
suffer or incur arising out of the exercise of his powers to this instrument.

Signed at                on Aug. 20, 1998

/s/ S. A. BOYLE
---------------------------------------------
S. A. Boyle
<PAGE>   41
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Peter Eduard Dekker, director, married, residing at 3755 KK Bosch en Duin,
Reelaan 31, born in Voorst on the third day of May nineteen hundred fifty-four;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep the attorney indemnified and hold harmless
against any losses, suits, claims, demands, obligations, liabilities and
damages which he may suffer or incur arising out of the exercise of his

<PAGE>   42
                                                                               2

powers to this instrument.

Signed at                on           , 1998

/s/ P. E. DEKKER
---------------------------------------------
P. E. DEKKER
<PAGE>   43
                               POWER OF ATTORNEY

The undersigned:

Fredericus Gerardus Maria Hulsink, director, married, born in Dotmarsum, on
the nineteenth day of July nineteen hundred and fifty-one, residing at 7601 GH
Almelo, Pornestraat 239;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:
1.   to execute the notarial deed of issuance of shares in the Company, in
     accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.   to execute the notarial deed of administration of shares in the Company,
     in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep the attorney indemnified and hold harmless
against any losses, suits, claims, demands, obligations, liabilities and
damages which he may suffer or incur arising out of the exercise of his
<PAGE>   44
                                                                               2

powers to this instrument.

Signed at                on [ILLEGIBLE], 1998

/s/ [ILLEGIBLE]
---------------------------------------------
[ILLEGIBLE]
<PAGE>   45
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Breydon Limited, a company incorporated under the laws of the British Isles,
with registered office at P.O. Box 44030, 10374 Stockholm, Sweden;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep the attorney indemnified and hold harmless
against any losses, suits, claims, demand, obligations, liabilities and damages
which he may suffer or incur arising out of the exercise of his powers to this
instrument.

Signed at Munich on 3, 9, 1998

/s/ [ILLEGIBLE]
------------------------
Breydon Limited
<PAGE>   46
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

David Theron Kumar Sarda, private equity investor, married, born in New
York, United States of America on the fourth day of June nineteen hundred and
sixty, residing at 487 Country Road, New Canaan, CT 06840 United States of
America, American nationality;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep the attorney indemnified and hold harmless
against any losses,
<PAGE>   47
suits, claims, demands, obligations, liabilities and damages which he may suffer
or incur arising out of the exercise of his powers to this instrument.

Signed at Tarrytown, NY on 8/14, 1998

/s/ D. T. K. SARDA
---------------------------------------------
D. T. K. Sarda
<PAGE>   48
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Ronald William Butler, company director, married, residing at 38 Stoke Farthing,
Broadchalke, Salisbury SP5 5EL, United Kingdom, born in Edinburgh, Scotland, on
the eighth day of May nineteen hundred fifty-two;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep the attorney indemnified and hold harmless
against any losses, suits, claims, demands, obligations, liabilities and damages
<PAGE>   49
                                                                               2

which he may suffer or incur arising out of the exercise of his powers to this
instrument.

Signed at London on 18 August, 1998

/s/ R. W. BUTLER
---------------------------------------------
R. W. Butler
<PAGE>   50
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Christopher Fitzroy Robinson, company director, married, residing at Bowbeer
Farmhouse, Spreyton, Crediton, Devon EX17 5AE, United Kingdom, born in Hove,
United Kingdom, on the twenty-second day of June nineteen hundred fifty-three;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep the attorney indemnified and hold harmless
against any losses, suits, claims, demands, obligations, liabilities and damages
<PAGE>   51
                                                                              2

which he may suffer or incur arising out of the exercise of his powers to this
instrument.

Signed at Spreyton on 12th August, 1998

/s/ C. F. ROBINSON
---------------------------------------------
C. F. Robinson
<PAGE>   52
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Sally Vanessa Robinson, housewife, married, residing at Bowbeer Farmhouse,
Spreyton, Crediton, Devon EX17 5AE, United Kingdom, born in London, United
Kingdom, on the twenty-ninth day of May nineteen hundred fifty-four;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep the attorney indemnified and hold harmless
against any losses, suits, claims, demands, obligations, liabilities and damages
<PAGE>   53
                                                                               2

which he may suffer or incur arising out of the exercise of his powers to this
instrument.

Signed at Spreyton on 12th August, 1998

/S/ SALLY V. ROBINSON
---------------------------------------------
S. V. Robinson
<PAGE>   54
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

William Butler, no occupation, married, residing at 48 Redford Road, Edinburgh,
Scotland, EH13 0AE, born in Edinburgh, Scotland, on the fifth day of June
nineteen hundred thirteen;

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems reasonably necessary in
connection with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney(s)
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep the attorney indemnified and hold harmless
against any losses, suits, claims, demands, obligations, liabilities and damages
which he may suffer or incur arising out of the exercise of his powers to this
instrument.

Signed at 48 Redford Road on 12th August, 1998

/s/ WILLIAM BUTLER
-----------------------------------
William Butler
<PAGE>   55
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Mr. G. J. Smits, and

Mrs. E. Kortenhorst

being the legal representatives of each of Jeroen J. Smits and Carolien J. G.
Smits, hereinafter referred to as the "Children";

hereby grant power of attorney to each of

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie
in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, and in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company, and
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

Signed at [ILLEGIBLE] on 17/8, 1998

/s/ G. J. SMITS
-----------------------
Mr. G. J. Smits

/s/ MRS. E. KORTENHORST

-----------------------
Mrs. E. Kortenhorst

<PAGE>   56
                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Mr. J. T. H. M. Kortenhorst, and

Mrs. L. S. Vetter

being the legal representatives of each of Alessandra Mei Kortenhorst, Jules
Kiril Kortenhorst, Winston Powell Kortenhorst and Rainier George Kortenhorst;

hereby grant power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, and in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company, and
    in accordance with the draft marked ct\eng\venn\stichtin\certicor.lev;

Signed at The Hague on 12/8, 1996

/s/ J. T. H. M. KORTENHORST
---------------------------
Mr. J. T. H. M. Kortenhorst

/s/ L. S. VETTER
---------------------------
Mrs. L. S. Vetter

<PAGE>   57

                                                                               1

                               POWER OF ATTORNEY

The undersigned:

Mr. H. W. Battcock, a private individual,

full name                      :  Humphrey William Battcock
residing at (private address)  :  20 Norham Road,
                                  Oxford OX 2 GSF,
                                  England
profession                     :  _________________
place of birth                 :  London
date of birth                  :  14-11-1961
married/unmarried              :  _________________
nationality                    :  British

in his capacity of board member of Stichting Administratie-kantoor Cordena Call
Management, a foundation organized under the laws of the Netherlands, and with
address: 1017 PS Amsterdam, Leidseplein 29, the Netherlands, hereinafter
referred to as "Stichting",

herewith grants power of attorney to:

each lawyer, on the law firm Caron & Stevens/Baker & McKenzie in Amsterdam,

on behalf of the undersigned:

1.  to execute the notarial deed of issuance of shares in the Company, and in
    accordance with the draft marked ct\eng\venn\uitgifte\hdm5;

2.  to execute the notarial deed of administration of shares in the Company,
    and in accordance with the draft marked
<PAGE>   58
                                                                               2

ct\eng\venn\stichtin\certicor.lev;

and furthermore to do anything which the attorney deems necessary in connection
with the aforementioned, all this with the power of substitution.

The undersigned, undertakes to ratify or confirm anything which the attorney
shall do or lawfully purport to do by virtue of this instrument, and shall
indemnify the attorney and keep the attorney indemnified and hold harmless
against any losses, suits, claims, demands, obligations, liabilities and damages
which he may suffer or incur arising out of the exercise of his powers to this
instrument.

Signed at           on        , 1998

/s/ H. W. BATTCOCK
------------------------
H. W. Battcock

PLEASE ATTACH COPY VALID PASSPORT OF THE UNDERSIGNED

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