Document:

2000-OP34

                                                                Clayton F. Moran
                                                                Optionee

                            VDC COMMUNICATIONS, INC.
                            ------------------------

                        INCENTIVE STOCK OPTION AGREEMENT

                       UNDER THE VDC COMMUNICATIONS, INC.

               1998 STOCK INCENTIVE PLAN, AS AMENDED (the "Plan")

                  This Agreement  is  made  as of  August 9, 2000,  (the  "Grant
Date") by and between VDC  Communications,  Inc.,  a Delaware  corporation  (the
"Corporation") and Clayton F. Moran (the "Optionee").

                  WHEREAS,  Optionee is an employee of the Corporation or one of
its  subsidiaries  and the  Corporation  considers it desirable  and in its best
interest that Optionee be given an inducement to acquire a proprietary  interest
in the  Corporation and an incentive to advance the interests of the Corporation
by granting  the  Optionee an option to purchase  shares of common  stock of the
Corporation (the "Common Stock");

                  NOW,  THEREFORE,  the parties hereto,  intending to be legally
bound,  hereby agree that as of the Grant Date,  the  Corporation  hereby grants
Optionee an option to purchase from it, upon the terms and  conditions set forth
in the Plan (a copy of which is attached hereto) and this Agreement, that number
of shares of the authorized and unissued  Common Stock of the  Corporation as is
set forth on Schedule A hereto.

                  1.       Terms of Stock Option.  The option to purchase Common
                           ---------------------
Stock  granted  herein is subject to the terms,  conditions,  and  covenants set
forth in the Plan as well as the following:

                           (a)      This option  shall  constitute  an Incentive
                                    Stock  Option  which is  intended to qualify
                                    under  Section 422 of the  Internal  Revenue
                                    Code of 1986, as amended;

                           (b)      The per share  exercise price for the shares
                                    subject to this option  shall be the 100% of
                                    the Fair  Market  Value (as  defined  in the
                                    Plan) of the Common Stock on the Grant Date,
                                    which   exercise   price  is  set  forth  on
                                    Schedule A hereto;

                           (c)      This option shall  vest in  accordance  with
                                    the vesting schedule set forth on Schedule A
                                    hereto; and
<PAGE>

                           (d)      No  portion of this option  may be exercised
                                    more  than  ten  (10) years  from  the Grant
                                    Date.

                  2.       Payment  of  Exercise  Price.   The  option   may  be
                           ----------------------------
exercised,  in part or in whole,  only by  written  request  to the  Corporation
accompanied by payment of the exercise price in full either: (i) in cash for the
shares  with  respect  to  which  it is  exercised;  (ii) by  delivering  to the
Corporation   a  notice  of  exercise  with  an   irrevocable   direction  to  a
broker-dealer  registered under the Securities Exchange Act of 1934, as amended,
to sell a  sufficient  portion  of the  shares  and  deliver  the sale  proceeds
directly to the Corporation to pay the exercise  price;  (iii) in the discretion
of  the  Plan  Administrator,   through  the  delivery  to  the  Corporation  of
previously-owned  shares of Common Stock  having an aggregate  Fair Market Value
equal to the option exercise price of the shares being purchased pursuant to the
exercise of the Option; provided, however, that shares of Common Stock delivered
in payment of the option  price must have been held by the Optionee for at least
six (6)  months in order to be  utilized  to pay the option  price;  (iv) in the
discretion  of the Plan  Administrator,  through an  election  to have shares of
Common Stock  otherwise  issuable to the  Optionee  withheld to pay the exercise
price  of such  Option;  or (v) in the  discretion  of the  Plan  Administrator,
through any combination of the payment procedures set forth in Subsections (i) -
(iv) of this paragraph.

                  3.       Miscellaneous.
                           -------------

                           (a)      This  Agreement and the options  represented
                                    hereby may not be assigned or transferred in
                                    any manner  except by will or by the laws of
                                    descent  and  distribution  or pursuant to a
                                    domestic relations order.

                           (b)      This   Agreement   will  be   governed   and
                                    interpreted  in accordance  with the laws of
                                    the  State  of   Connecticut,   and  may  be
                                    executed in more than one counterpart,  each
                                    of  which  shall   constitute   an  original
                                    document.

                           (c)      No  alterations,   amendments,   changes  or
                                    additions to this  Agreement will be binding
                                    upon  either  the  Corporation  or  Optionee
                                    unless reduced to writing and signed by both
                                    parties.

                           (d)      All  controversies  or claims arising out of
                                    this   Agreement   shall  be  determined  by
                                    binding   arbitration,   conducted   at  the
                                    Corporation's    offices    in    Greenwich,
                                    Connecticut,   or  at  such  other  location
                                    designated  by the  Corporation,  before the
                                    American Arbitration Association.

                                       2
<PAGE>

                           (e)      No    rule   of    construction    requiring
                                    interpretation  against the  drafting  party
                                    shall  apply to the  interpretation  of this
                                    Agreement.

                           (f)      If any  provision of this  Agreement is held
                                    to  be  invalid,  the  remaining  provisions
                                    shall remain in full force and effect.

         In witness whereof,  the parties have executed this Agreement as of the
Grant Date.

                                                     CORPORATION:

                                                     VDC COMMUNICATIONS, INC.

                                                     By: /s/ Frederick A. Moran
                                                        ------------------------
                                                         Frederick A. Moran
                                                         Chief Executive Officer

                                                     OPTIONEE:

                                                     /s/ Clayton F. Moran
                                                     ---------------------------
                                                     Clayton F. Moran

                                       3
<PAGE>

                                                                Clayton F. Moran
                                                                Optionee

                                   Schedule A

1.  Grant Date:  August 9, 2000

2.  Number of Shares of Common Stock covered by the Option:  80,000

3.  Exercise  Price  (100% of  Fair Market Value  of  Common Stock  on the Grant
    Date):   $.75

4.  The Option shall vest in accordance with the following schedule:

         (i)      16,000 shares shall vest on the first anniversary of the Grant
                  Date, provided Optionee remains  continuously  employed by the
                  Corporation  or any of its  Subsidiaries  (as  defined  in the
                  Plan) from August 9, 2000 through August 8, 2001;

         (ii)     16,000  shares  shall  vest on the second  anniversary  of the
                  Grant Date, provided Optionee remains continuously employed by
                  the Corporation or any of its  Subsidiaries (as defined in the
                  Plan) from August 9, 2000 through August 8, 2002;

         (iii)    16,000 shares shall vest on the third anniversary of the Grant
                  Date, provided Optionee remains  continuously  employed by the
                  Corporation  or any of its  Subsidiaries  (as  defined  in the
                  Plan) from August 9, 2000 through August 8, 2003;

         (iv)     16,000  shares  shall  vest on the fourth  anniversary  of the
                  Grant Date, provided Optionee remains continuously employed by
                  the Corporation or any of its  Subsidiaries (as defined in the
                  Plan) from August 9, 2000 through August 8, 2004; and

         (v)      16,000 shares shall vest on the fifth anniversary of the Grant
                  Date, provided Optionee remains  continuously  employed by the
                  Corporation  or any of its  Subsidiaries  (as  defined  in the
                  Plan) from August 9, 2000 through August 8, 2005.

                                       4PURCHASE AND SALE AGREEMENT
                           ---------------------------

         THIS PURCHASE AND SALE AGREEMENT is made this 26th day of August,  2000
(the "Date of this Agreement"),  by and between VDC TELECOMMUNICATIONS,  INC., a
Delaware corporation ("Seller"),  and OMNETRIX  INTERNATIONAL,  INC., a Colorado
corporation ("Buyer").

                                R E C I T A L S :
                                -----------------

         WHEREAS, Seller is engaged in the telecommunications business;  and

         WHEREAS,  Seller DESIRES TO SELL AND ASSIGN TO buyer, and Buyer desires
to purchase and assume from Seller,  on the terms and subject to the  conditions
set forth in this Agreement, the Purchased Assets, as defined herein.

         NOW,  THEREFORE,  in  consideration  of the  recitals and of the mutual
covenants, conditions,  warranties and agreements set forth herein and for other
good and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, Buyer and Seller hereby agree as follows:

                                    ARTICLE I

                                   DEFINITIONS

         1.1      When used in this Agreement, the following  terms  shall  have
the meanings specified:

         "Affiliate" shall mean any Person  controlling,  controlled by or under
common control with Seller. "Control" (including, with correlative meanings, the
terms "controlling", "controlled by" and "under common control with") as applied
to any Person,  means the  possession,  directly or indirectly,  of the power to
direct or cause the  direction  of the  management  and policies of that Person,
whether  through the ownership of voting  securities,  by contract or otherwise.
Control is presumed by the ownership (whether legal or beneficial) of over fifty
percent (50%) of the applicable Person.

         "Agreement" shall mean this Purchase and Sale Agreement,  together with
the Schedules  and the Exhibits  attached  hereto,  as the same shall be amended
from time to time in accordance with the terms hereof.

         "Assumed Liabilities" is defined in Section 2.4.

         "Bill of Sale"  shall mean the  instrument  in the form of EXHIBIT  "A"
attached hereto.
                                  Page 1 of 32
<PAGE>

         "Buyer"  shall  mean   OMNETRIX   INTERNATIONAL,  INC.,   a    Colorado
corporation.

         "Buyer's Certificate" shall mean the corporate  certifications of Buyer
in the form of EXHIBIT "B" attached hereto.

         "Closing"  shall  mean  the  conference  to  be  held  at  10:00  a.m.,
Greenwich,  Connecticut,  time  on  the  Closing  Date  at  the  offices  of VDC
Telecommunications,  Inc. at 75 Holly Hill Lane, Greenwich, CT 06830, or at such
other location,  at which the transactions  contemplated by this Agreement shall
be consummated.

         "Closing  Date" shall mean (a) August 26, 2000;  or (b) such other date
as Buyer and Seller may agree upon in  writing.  The Closing may not occur after
August 30, 2000,  unless Buyer and Seller agree in writing to extend the Closing
Date beyond such date.  The Closing shall be deemed  effective as of the opening
of business on the Closing Date.

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

         "Earnest Money" is defined in Section 2.2.

         "Event of Loss" shall mean any loss,  taking,  condemnation,  damage or
destruction of or to any of the Purchased Assets.

         "Exhibits"  shall mean those  exhibits  referred  to in this  Agreement
which have been delivered concurrently with the execution of this Agreement, and
which are hereby incorporated herein and made a part hereof.

         "Lien"  shall  mean  any lien or  encumbrance  directly  affecting  the
Purchased Assets.

         "Person" shall mean any natural person, general or limited partnership,
corporation, firm, association or other legal entity.

         "Purchased  Assets" shall mean the right,  title and interest of Seller
in and to the assets described on EXHIBIT "C" hereto and incorporated  herein by
reference.

         "Purchase Price" is defined in Section 2.2.

         "Schedules"  shall mean those  schedules  referred to in this Agreement
which have been delivered concurrently with the execution of this Agreement, and
which are hereby incorporated herein and made a part hereof.

         "Seller"   shall  mean   VDC  TELECOMMUNICATIONS,  INC.,   a   Delaware
corporation.

         "Seller's  Certificate"  shall  mean the  corporate  certifications  of
Seller in the form of EXHIBIT "D" attached hereto.

                                  Page 2 of 32
<PAGE>

         1.2      Singular/Plural; Gender; Sections.   Where  the   context   so
                  ---------------------------------
requires or permits,  the use of the singular form includes the plural,  and the
use of the plural form includes the singular, and the use of any gender includes
any and all  genders.  Except as  specifically  set forth  herein,  all  Section
references are to Sections and articles of this Agreement.

                                   ARTICLE II

                                PURCHASE AND SALE

         2.1      Purchase and Sale. On the terms and subject to the  conditions
                  -----------------
set forth in this  Agreement,  Seller shall, at the Closing on the Closing Date,
sell,  assign,  convey,  transfer and deliver to Buyer, and Buyer shall purchase
and acquire from Seller,  all of Seller's right,  title and interest,  legal and
equitable, as of the Closing Date, in and to the Purchased Assets. THE PURCHASED
ASSETS ARE BEING PURCHASED IN AN "AS IS",  "WHERE IS" CONDITION.  Except for the
express  warranties  set forth in aRTICLE iv,  SELLER does not make,  and hereby
disclaims,  any and all other Express and/or implied warranties,  including, but
not limited to, warranties of merchantability, fitness for a particular purpose,
noninfringement  and title, and any warranties arising from a course of dealing,
usage, or trade  practice.  SELLER MAKES NO  REPRESENTATIONS  OF OWNERSHIP IN OR
TRANSFERABILITY OF SOFTWARE.

         2.2      Purchase Price.  The  total  purchase  price for the Purchased
                  --------------
Assets  shall be TWO  HUNDRED  AND  TWENTY  FIVE  THOUSAND  AND  NO/100  DOLLARS
($225,000.00)  (the  "Purchase  Price").  The  Purchase  Price  shall be paid as
follows:

                  (a)      On the Date of this Agreement, Buyer shall deliver to
         Seller a cashier's  check in the amount of  thirty-SIX  Thousand  EIGHT
         hundred and seventy-five and no/100 Dollars  ($36,875.00)  (the "Second
         Payment")  as an earnest  money  deposit.  Additionally,  Seller  shall
         retain the  FIFTEEN  Thousand  SIX  HUNDRED  AND TWENTY FIVE AND no/100
         Dollars  ($15,625.00)  paid by Buyer to Seller in  connection  with the
         execution  of a Letter of  Intent  (the  "First  Payment")  (the  First
         Payment  and the Second  Payment  are  collectively  referred to as the
         "Earnest  Money").  If this Agreement is terminated (by either party or
         for any reason  whatsoever),  then to compensate Seller for its work on
         this  Agreement  and  transaction  and for the loss of a benefit of the
         bargain (and not as a penalty)  the Earnest  Money,  together  with all
         interest  earned  thereon,  shall  be kept by  Seller  without  further
         obligation or liability to Buyer.  The parties  agree,  in this regard,
         that the forfeit of the  Earnest  Money is  reasonable  and the damages
         associated  with failure to consummate the  transaction  represented by
         this Agreement are difficult to estimate.  The retention of the Earnest
         Money shall not be deemed an election of remedies.  Notwithstanding the
         foregoing,  if Seller is in default in the  performance of its material
         obligations  under  this  Agreement  or  has  materially  breached  its
         representations and warranties hereunder and fails to cure said default
         or breach  within five (5) calendar  days of written  notice from Buyer

                                  Page 3 of 32
<PAGE>

         and Buyer is not in  default  of its  material  obligations  under this
         Agreement  and has not  materially  breached  its  representations  and
         warranties  hereunder,  then  Seller  shall keep the First  Payment and
         shall return the Second Payment to Buyer.

                  (b)      The Purchase  Price,  less the Earnest Money shall be
         paid to Seller in immediately  available funds at Closing,  as  defined
         herein,  subject to compliance with the terms and conditions set  forth
         herein  and  fulfillment  of all  conditions  precedent  as   specified
         herein.

         2.3      Closing Date Deliveries.  At the Closing on the Closing Date:
                  -----------------------

                  (a)      Seller shall deliver, or cause to  be  delivered,  to
         Buyer,  properly  executed  and  dated  as  of  the  Closing  Date  all
         documents required under Section 7.7 of this Agreement.

                  (b)      Buyer  shall  deliver, or cause to be  delivered,  to
         Seller,  properly  executed  and  dated  as of  the  Closing  Date  all
         documents required under Section 8.3 of this Agreement.

         2.4      Assumption  of  Liabilities.  As of  the Closing,  Buyer shall
                  ---------------------------
assume and become obligated to pay any debt, obligation or liability of any kind
or nature arising out of the Purchased  Assets (the "Assumed  Liabilities").  To
the best of Seller's knowledge,  as of the Date of this Agreement,  there are no
Liens on the Purchased  Assets.  Nothing in the foregoing  sentence shall impose
upon Seller any duty of  investigation  or due diligence.  Without  limiting the
generality of the foregoing sentence, Seller shall have no duty to perform a UCC
lien search in any state or jurisdiction.

         2.5      Taxes. All federal, state, local and other transfer, sales and
                  -----
use taxes applicable to, imposed upon or arising out of the transfer to Buyer of
the Purchased Assets as contemplated by this Agreement shall be paid by Buyer.

         2.6      Risk of Loss. Subject to Section 10.1  hereof, the risk of all
                  ------------
Events of Loss  prior to the  Closing  shall be upon  Seller and the risk of all
Events of Loss at or subsequent to the Closing shall be upon Buyer.

         2.7      Allocation of Purchase Price.  The  Purchase  Price  will   be
                  ----------------------------
allocated among the Purchased  Assets in accordance with SCHEDULE 2.7. Buyer and
Seller each agree to report such  allocation to the Internal  Revenue Service in
the form required by Treasury Regulation 1.1060T.

                                   ARTICLE III

                             GOVERNMENTAL APPROVALS

         3.1      Governmental  Approvals.  Promptly  following the execution of
                  -----------------------
this  Agreement,  if executed prior to the Closing Date,  Buyer shall proceed to
prepare and file with the appropriate  governmental authorities any requests for

                                  Page 4 of 32
<PAGE>

approvals  or  waivers  that  are  required  from  governmental  authorities  in
connection with the Closing,  and shall diligently and  expeditiously  prosecute
such requests for approvals or waivers and all  proceedings  necessary to secure
such approvals and waivers.

                                   ARTICLE IV

                    REPRESENTATIONS AND WARRANTIES OF SELLER

         Seller hereby represents and warrants to Buyer,  which  representations
and  warranties  shall survive the Closing in  accordance  with Section 10.4, as
follows:

         4.1      Organization.  Seller  is  a  corporation  duly  organized and
                  ------------
validly  existing under the laws of the State of Delaware.  Seller has the power
to own or lease its  properties  and to carry on its business in the place where
such  properties  are now owned,  leased or  operated  and such  business is now
conducted.

         4.2      Authorization:   Enforceability.   The execution, delivery and
                  -------------------------------
performance of this Agreement and all of the documents and instruments  required
hereby by Seller and the consummation by Seller of the transactions contemplated
hereby  have been duly and  validly  authorized  by the  Board of  Directors  of
Seller,  and no other  proceedings  on its part are  necessary to authorize  the
execution,  delivery and performance of this  Agreement.  This Agreement is, and
the other documents and  instruments  required hereby will be, when executed and
delivered by Seller,  the valid and binding  obligations of Seller,  enforceable
against  Seller in  accordance  with their  respective  terms,  subject  only to
bankruptcy, insolvency, reorganization,  moratoriums or similar laws at the time
in effect affecting the  enforceability or rights of creditors  generally and by
general  equitable  principles  which may  limit  the right to obtain  equitable
remedies.

         4.3      Authority; No Breach. Seller has the requisite corporate power
                  --------------------
and  authority  to  execute  and  deliver  this  Agreement  and to  perform  its
obligations hereunder. The execution, delivery and performance of this Agreement
by Seller and the  consummation of the transactions  contemplated  hereby do not
conflict with or result in any breach of any of the provisions of, or constitute
a default under,  result in a violation of, result in the creation of a right of
termination  or  acceleration  or  any  lien,   security  interest,   charge  or
authorization,  consent, approval, exemption or other action by or notice to any
court or other  governmental  body,  under the  provisions  of the  Articles  of
Incorporation  or  Bylaws  of Seller or any  indenture,  mortgage,  lease,  loan
agreement or other  agreement  or  instrument  by which Seller or the  Purchased
Assets are bound or affected,  or any law, statute, rule or regulation or order,
judgment or decree to which Seller or the Purchased Assets are subject.

         4.4      Governmental Authorities; Consents. The Seller is not required
                  ----------------------------------
to submit any notice, report or other filing with any governmental  authority in
connection  with  the  execution  or  delivery  by it of this  Agreement  or the
consummation of the transactions  contemplated  hereby. No consent,  approval or
authorization  of any  governmental  or  regulatory  authority is required to be

                                  Page 5 of 32
<PAGE>

obtained by Seller in connection with its execution, delivery and performance of
this Agreement.

         4.5      Brokers.  Neither this Agreement  nor the sale and purchase of
                  -------
the Purchased Assets or any other transaction contemplated by this Agreement was
induced  or  procured  through  any Person  acting on behalf of or  representing
Seller as broker, finder, investment banker, financial advisor or in any similar
capacity.

         4.6      Title to  Purchased  Assets.  Seller owns good and  marketable
                  ---------------------------
title in and to the Purchased Assets. SELLER MAKES NO REPRESENTATIONS  REGARDING
THE OWNERSHIP OF OR  TRANSFERABILITY  OF ANY SOFTWARE CONTAINED OR USED WITH THE
SWITCH. THE SELLER HEREBY SELLS THE HARDWARE TO THE BUYER.

                                    ARTICLE V

                     REPRESENTATIONS AND WARRANTIES OF BUYER

         Buyer  represents  and  warrants to Seller  which  representations  and
warranties  shall  survive the  Closing in  accordance  with  Section  10.4,  as
follows:

         5.1      Organization.   Buyer  is  a  corporation  duly  organized and
                  ------------
validly  existing  under the laws of the State of Colorado,  with the  requisite
corporate  power and  authority  to enter into this  Agreement  and  perform its
obligations hereunder.

         5.2      Execution,  Delivery;  Valid  and  Binding  Agreement.     The
                  -----------------------------------------------------
execution,  delivery  and  performance  of  this  Agreement  by  Buyer  and  the
consummation by Buyer of the  transactions  contemplated  hereby do not conflict
with or result in any breach of any provisions  of,  constitute a default under,
result in a violation  of, result in the creation of a right of  termination  or
acceleration  of any lien,  security  interest,  charge or encumbrance  upon any
assets of the Buyer, or require any authorization,  consent, approval, exemption
or other action by or notice to any court or other  governmental body, under the
provisions of the Articles of Incorporation or Bylaws of Buyer or any indenture,
mortgage,  lease, loan agreement or other agreement or instrument by which Buyer
is bound or affected, or any law, statute, rule or regulation or order, judgment
or decree to which Buyer is subject.  This Agreement is, and the other documents
and  instruments  required  hereby will be, when executed and delivered by Buyer
the  valid  and  binding  obligations  of  Buyer  enforceable  against  Buyer in
accordance with their respective terms, subject only to bankruptcy,  insolvency,
reorganization,  moratoriums or similar laws at the time in effect affecting the
enforceability  or  right  of  creditors  generally  and  by  general  equitable
principles which may limit the right to obtain equitable remedies.

         5.3      Brokers.  Neither this Agreement  nor the sale and purchase of
                  -------
the Purchased Assets or any other transaction contemplated by this Agreement was
induced or procured through any Person acting on behalf of or representing Buyer
as broker,  finder,  investment  banker,  financial  advisor  or in any  similar
capacity.

                                  Page 6 of 32
<PAGE>

                                   ARTICLE VI

                       CERTAIN MATTERS PENDING THE CLOSING

         From and  after  the Date of this  Agreement,  if prior to the  Closing
Date, and until the Closing:

         6.1      Access.  Buyer and its   authorized   agents,   officers   and
                  ------
representatives  shall  have  access to the  Purchased  Assets to  conduct  such
examination and  investigation  of the Purchased  Assets as it deems  necessary,
provided that such  examinations  shall be during the Seller's  normal  business
hours, and shall not interfere with Seller's operations.

         6.2      Notice of Adverse  Changes.  Pending the Closing  Date, Seller
                  --------------------------
shall give Buyer prompt notice of the occurrence of any Event of Loss.

                                   ARTICLE VII

                CONDITIONS PRECEDENT TO THE OBLIGATIONS OF BUYER

         The  obligations  of Buyer to be performed on the Closing Date shall be
subject to the satisfaction of the following conditions on or before the Closing
Date:

         7.1      Compliance  with  Agreement.  Seller shall have  performed and
                  ---------------------------
complied with all of its material  obligations under this Agreement which are to
be performed or complied with by it prior to or at the Closing;

         7.2      Representations  and  Warranties.   The  representations   and
                  --------------------------------
warranties  made by Seller in Section IV of this  Agreement  shall be materially
true and correct as of the Closing Date with the same force and effect as though
such representations and warranties had been made on the Closing Date;

         7.3      Event of Loss.  Between  the  Date  of this  Agreement and the
                  -------------
Closing,  the Purchased  Assets shall not have  sustained an Event of Loss which
individually or in the aggregate would cost in excess of $20,000 to repair;

         7.4      Deliveries  at Closing.  Seller shall have delivered or caused
                  ----------------------
to be delivered to the Buyer the documents,  each properly executed and dated as
of the Closing Date, required pursuant to Section 7.7;

         7.5      Seller shall have performed  in all  material  respects all of
the  covenants and  agreements  required to be performed and complied with by it
under this Agreement prior to the Closing;

                                  Page 7 of 32
<PAGE>

         7.6      Seller's Board of Directors shall have approved this Agreement
and the transactions contemplated hereby;

         7.7      On the Closing Date,  Seller shall have delivered to Buyer all
of the following:

                  (a)      the  Bill  of  Sale  and  such  other  instruments of
         conveyance,  transfer,  assignment  and  delivery  as Buyer shall  have
         reasonably requested pursuant to Section 2.3(a) hereof;

                  (b)      a  copy of the text of the resolutions adopted by the
         board of directors of Seller  authorizing the execution,  delivery  and
         performance  of  this  Agreement  and the  consummation  of  all of the
         transactions contemplated by this Agreement;  along with a  certificate
         executed on behalf of Seller, by its corporate secretary certifying  to
         Buyer  that such copy is a true,  correct  and  complete  copy of  such
         resolutions,  and that such resolutions were duly adopted and have  not
         been amended or rescinded;

                  (c)      an officers' certificate executed on behalf of Seller
         by its corporate secretary certifying the signature and office of  each
         officer executing this Agreement or any of the related documents;

                  (d)      a certificate  of good standing from the Secretary of
         State of the State of Delaware,  dated at or about the Closing, to  the
         effect that such  corporation  is in good  standing  under the laws  of
         such state; and

                  (e)      an executed copy of each of the related documents.

         If any of the  conditions  set forth in this  Article VII have not been
satisfied,  the Buyer may nevertheless elect to proceed with the consummation of
the  transactions  contemplated  hereby.  Any such  election to proceed shall be
evidenced  by a  certificate  signed on behalf of the Buyer by an officer of the
Buyer.

                                  ARTICLE VIII

                CONDITIONS PRECEDENT TO THE OBLIGATIONS OF SELLER

         The obligations of Seller to consummate the  transactions  contemplated
by this Agreement are subject to the satisfaction of the following conditions on
or before the Closing Date:

         8.1      Compliance with Agreement.  Buyer  shall  have  performed  and
                  -------------------------
complied with all of its material  obligations under this Agreement which are to
be performed or complied with by it prior to or at the Closing. Without limiting
the generality of the preceding  sentence,  for purposes of this Agreement,  the
delivery  of the Second  Payment and the full  Purchase  Price shall be deemed a
material obligation.

                                  Page 8 of 32
<PAGE>

         8.2      Representations  and  Warranties.   The  representations   and
                  --------------------------------
warranties  made by Buyer in this Agreement  shall be true and correct as of the
Closing Date with the same force and effect as though such  representations  and
warranties had been made on the Closing Date;

         8.3      Deliveries  at  Closing.   In addition to the payments  listed
                  -----------------------
under Section 2.2(a) of this Agreement,  Buyer shall have delivered or caused to
be delivered to Seller the following documents, each properly executed and dated
as of the Closing Date:

                  (a)      a promissory note (the "Note") in form and  substance
         substantially as set forth in Exhibit "E";

                  (b)      a security agreement (the "Security Agreement") ") in
         form  and  substance  substantially  as  set  forth  in  Exhibit  "F";

                  (c)      a  State  of  Colorado  UCC-1  ("UCC-1")  in form and
         substance substantially as set forth in Exhibit "G";

                  (d)      a copy  of the text of the resolutions adopted by the
         board of directors of  Buyer  authorizing  the execution,  delivery and
         performance  of  this   Agreement  and the  consummation  of all of the
         transactions contemplated by  this Agreement,  along with a certificate
         executed on behalf of Buyer  by its corporate  secretary  certifying to
         Seller  that such copy is a  true,  correct and  complete  copy of such
         resolutions,  and that such  resolutions were duly adopted and have not
         been amended or rescinded, and

                  (e)      an officers' certificate  executed on behalf of Buyer
         by its corporate secretary certifying the signature and office  of each
         officer executing this Agreement or any of the related documents;

                  (f)      a certificate  of good standing from the Secretary of
         State of the State of Colorado,  dated at or about the Closing, to  the
         effect that such  corporation  is in good  standing  under the  laws of
         such state; and

                  (g)      such  other  documents  as  Seller  shall  reasonably
         request.

         8.4      Buyer shall have  performed in all material  respects  all the
covenants  and  agreements  required to be performed by it under this  Agreement
prior to the Closing;

         8.5      There shall not  be  threatened,  instituted  or  pending  any
action or  proceeding,  before any court or  governmental  authority  or agency,
domestic or foreign,  (i) challenging or seeking to make illegal, or to delay or
otherwise directly or indirectly  restrain or prohibit,  the consummation of the
transactions  contemplated  hereby or  seeking  to obtain  material  damages  in
connection  with  such  transactions,  (ii)  seeking  to  invalidate  or  render
unenforceable  any material  provision  of this  Agreement,  or (iii)  otherwise
relating to and materially  adversely  affecting the  transactions  contemplated
hereby; and

                                  Page 9 of 32
<PAGE>

         8.6      There shall not be any action taken,  or  any  statute,  rule,
regulation,   judgment,  order  or  injunction,   enacted,  entered,   enforced,
promulgated, issued or deemed applicable to the transactions contemplated hereby
by any federal, state or foreign court,  government or governmental authority or
agency, which would reasonably be expected to result, directly or indirectly, in
any of the consequences referred to in Section 8.5 hereof.

         If any of the  conditions  set forth in this Article VIII have not been
satisfied, Seller may nevertheless elect to proceed with the consummation of the
transactions  contemplated  hereby.  Any  such  election  to  proceed  shall  be
evidenced by a certificate signed on behalf of Seller by an officer of Seller.

                                   ARTICLE IX

                                 INDEMNIFICATION

         9.1      Survival of Representations and Warranties.
                  ------------------------------------------

         Notwithstanding  any  investigation  made by or on behalf of any of the
parties hereto or the results of any such investigation and  notwithstanding the
participation of such party in the Closing,  the  representations and warranties
contained  in this  Agreement  shall  survive  the Closing for a period of three
years following the Closing Date.

         9.2      Indemnification by Seller.
                  -------------------------

                  (a)      Seller shall indemnify  and hold Buyer  harmless from
         and against,  and agree  promptly  to defend  Buyer from and  reimburse
         Buyer for, any and all losses,  damages, costs, expenses,  liabilities,
         obligations  and claims of any  kind  (including,  without  limitation,
         reasonable  attorney  fees and  other legal costs and  expenses)  which
         Buyer  may at any time  suffer or  incur,  or become  subject  to, as a
         result of or in connection  with  any material  breach or inaccuracy of
         any of  the  representations   and  warranties  made  by  Seller  in or
         pursuant  to this  Agreement,  or  in any  instrument,  certificate  or
         affidavit  delivered by Seller at  the Closing in  accordance  with the
         provisions of any Section hereof.

                  (b)      Nothing  contained  in this Section 9.2 shall provide
         Seller  with  rights of  indemnification   or  remedies  against  Buyer
         greater  than  as set  forth  in   Section  10.2  if  the  transactions
         contemplated by this Agreement fail to close.

         9.3      Indemnification by Buyer.
                  ------------------------

                  (a)      Buyer shall indemnify  and hold Seller  harmless from
         and against,  and agrees to  promptly  defend Seller from and reimburse
         Seller for, any and all losses,  damages, costs, expenses, liabilities,
         obligations  and claims of any  kind  (including,  without  limitation,

                                  Page 10 of 32
<PAGE>

         reasonable  attorney  fees and other legal costs  and  expenses)  which
         Seller may at any time  suffer or incur,  or become  subject  to,  as a
         result of or in connection with:

                           (i)      any  material   breach  or inaccuracy of any
                  representations and warranties made by Buyer in or pursuant to
                  this Agreement,  or in any certificate or affidavit  delivered
                  by Buyer at the Closing in accordance  with the  provisions of
                  any Section hereof;

                           (ii)     any failure by Buyer to carry out,  perform,
                  satisfy  and  discharge  any  of  its  covenants,  agreements,
                  undertakings,  liabilities or obligations under this Agreement
                  or under any of the documents and materials delivered by Buyer
                  pursuant to this Agreement;

                           (iii)    the Assumed Liabilities; or

                           (iv)     the operation and ownership of the Purchased
                  Assets by Buyer from and after the Closing Date.

                  (b)      Nothing  contained in this Section 9.3  shall provide
         Seller  with  rights  of  indemnification  or remedies  against   Buyer
         greater  than  as set  forth  in  Section  10.2  if  the   transactions
         contemplated by this Agreement fail to close.

         9.4      Notification of Claims; Election to Defend.
                  ------------------------------------------

                  (a)      A  party  entitled  to  be  indemnified  pursuant  to
         Section 9.2 or 9.3  (the  "Indemnified  Party")  shall notify the party
         liable for such indemnification  (the "Indemnifying  Party") in writing
         of any claim or demand which  the Indemnified  Party has determined has
         given or could  give  rise  to a right of  indemnification  under  this
         Agreement. Subject to the  Indemnifying Party's right to defend in good
         faith third party claims  as  hereinafter  provided,  the  Indemnifying
         Party  shall  satisfy  its  obligations  under this  Article IX  within
         thirty (30) days after the receipt of written  notice thereof from  the
         Indemnified Party.

                  (b)      If   the  Indemnified   Party   shall   notify   the
         Indemnifying  Party of any claim or demand  pursuant to Section 9.4(a),
         and if such claim or demand relates to a  claim or demand asserted by a
         third party against the Indemnified Party  which the Indemnifying Party
         acknowledges  is a claim or demand  for which it must indemnify or hold
         harmless  the  Indemnified   Party   under  Section  9.2  or  9.3,  the
         Indemnifying  Party shall have the right to employ  counsel  acceptable
         to the  Indemnified  Party to defend any such claim or  demand asserted
         against the Indemnified  Party.  The Indemnified  Party  shall have the
         right to participate  in the defense of any such claim  or demand.  The
         Indemnifying  Party shall notify the Indemnified Party  in writing,  as
         promptly  as  possible  (but in any case  before  the  due date for the
         answer or response  to a claim)  after the date of  the notice of claim
         given by the Indemnified Party to the Indemnifying  Party under Section
         9.4(a) of its  election  to defend in good faith any  such third  party

                                  Page 11 of 32
<PAGE>

         claim or demand.  So long as the  Indemnifying  Party  is  defending in
         good faith any such claim or demand  asserted by a third  party against
         the  Indemnified  Party,  the  Indemnified  Party  shall  not settle or
         compromise  such claim or demand. The Indemnified Party shall cooperate
         with  the  Indemnifying  Party with  respect to such  defense and shall
         make available to the  Indemnifying Party or its agents all records and
         other  materials  in  the  Indemnified  Party's  possession  reasonably
         required  by it for its use in  contesting  any third  party  claim  or
         demand.  Whether or not the  Indemnifying  Party  elects to  defend any
         such claim or demand,  the Indemnified Party shall have no  obligations
         to do so.

                                    ARTICLE X

                TERMINATION; MISCELLANEOUS; CONFLICT OF INTEREST

         10.1     Termination.   This  Agreement  may  be  terminated  and   the
                  -----------
transactions contemplated hereby may be abandoned at any time on or prior to the
Closing Date, as follows:  (a) by mutual written  agreement of Seller and Buyer;
or (b) by Buyer  if any of the  conditions  set  forth  in  Article  VII of this
Agreement shall not have been fulfilled by the Closing Date; or (c) by Seller if
any of the conditions set forth in Article VIII of this Agreement shall not have
been fulfilled by the Closing Date.

         10.2     Rights on Termination: Waiver.
                  -----------------------------

                  (a)      If this Agreement is terminated pursuant  to  Section
         10.1(a),  then  Seller  shall keep the  Earnest  Money and all  further
         obligations  of the parties under or pursuant to this  Agreement  shall
         terminate without further liability of either party to the other.

                  (b)      If this Agreement is terminated pursuant  to  Section
         10.1(b) or 10.1(c),  then the parties shall be free to pursue all legal
         and equitable remedies,  including specific  performance,  available to
         them. If this Agreement is terminated  pursuant to Section  10.1(b) and
         Seller is in default in the  performance  of its  material  obligations
         under this Agreement or has materially breached its representations and
         warranties  hereunder  and fails to cure said default or breach  within
         five (5) calendar days of written notice from Buyer and Buyer is not in
         default of its material  obligations  under this  Agreement and has not
         materially breached its representations and warranties hereunder,  then
         Seller shall keep the First Payment and shall return the Second Payment
         to Buyer.

         10.3     Bulk Transfer.  Buyer and Seller hereby waive compliance  with
                  -------------
the Bulk  Transfer  provisions  of the Uniform  Commercial  Code and all similar
laws.

         10.4     Survival. The obligations to indemnify contained in Article IX
                  --------
hereof,  the  agreements  contained  herein and, as limited by the  introductory
paragraphs of Articles IV and V hereof, the  representations and warranties made
in this  Agreement or made  pursuant  hereto  shall  survive the Closing and the
consummation  of the  transactions  contemplated  by this  Agreement,  and shall
survive any independent  investigation by Buyer or Seller,  and any dissolution,
merger  or   consolidation   of  Buyer  or  Seller  and  shall  bind  the  legal

                                  Page 12 of 32
<PAGE>

representatives,  assigns  and  successors  of Buyer and  Seller for a period of
three (3) years after the Closing Date.

         10.5     Entire Agreement;  Amendment;  and Waivers. This Agreement and
                  ------------------------------------------
the documents  referred to herein and to be delivered pursuant hereto constitute
the entire  agreement  between the  parties  pertaining  to the  subject  matter
hereof, and supersede all prior and contemporaneous agreements,  understandings,
negotiations and discussions of the parties,  whether oral or written, and there
are no warranties,  representations  or other agreements  between the parties in
connection  with the subject matter  hereof,  except as  specifically  set forth
herein. No amendment,  supplement,  modification,  waiver or termination of this
Agreement  shall be binding unless  executed in writing by the party to be bound
thereby. No waiver of any of the provisions of this Agreement shall be deemed or
shall  constitute a waiver of any other  provision or breach of this  Agreement,
whether or not similar, unless otherwise expressly provided.

         10.6     Expenses.  Except as otherwise specifically  provided  herein,
                  --------
whether or not the transactions  contemplated by this Agreement are consummated,
each of the parties shall pay the fees and expenses of its  respective  counsel,
accountants  and other experts  incident to the  negotiation  and preparation of
this Agreement and consummation of the transactions contemplated hereby.

         10.7     Benefit; Assignment.  This Agreement shall be binding upon and
                  -------------------
inure to the benefit of and shall be  enforceable  by Buyer and Seller and their
successors  and  assigns.  This  Agreement  shall not be  assigned  by any party
without the prior written consent of the other party.

         10.8     Confidentiality. Buyer agrees that prior to Closing, Buyer and
                  ---------------
its  respective  agents and  representatives  shall not use for its or their own
benefit  (except when directed by a court or as otherwise  required by law), and
shall hold in strict  confidence  and not disclose,  (i) any data or information
relating  to  Seller,  or its  Affiliates  obtained  from  Seller  or any of its
directors,  officers,  employees,  agents or  representatives in connection with
this  Agreement,  or (ii) any data and  information  relating  to the  business,
customers, financial statements, conditions or operations of the Seller which is
confidential  in nature and not generally  known to the public  (clauses (i) and
(ii) together, "Seller's Information"). If the transactions contemplated in this
Agreement are not consummated  for any reason,  Buyer shall return to Seller all
data,  information and any other written material  obtained by Buyer from Seller
in  connection  with this  transaction  and any  copies,  summaries  or extracts
thereof,  and shall refrain from  disclosing any of Seller's  Information to any
third party or using any of Seller's  Information for its own benefit or that of
any other person.

         10.9     Notice.   All  notices,   consents,   waivers,   and     other
                  ------
communications  under this  Agreement  must be in writing  and will be deemed to
have been duly given when (a)  delivered by hand (with written  confirmation  of
receipt), (b) sent by facsimile (with written confirmation of receipt), provided
that a copy is mailed by certified mail, return receipt requested (provided that
facsimile  notice shall be deemed  received on the next business day if received
after 5:00 p.m.  Eastern  Standard Time), or (c) when received by the addressee,
if  sent  by  a  nationally   recognized  overnight  delivery  service  (receipt
requested),  in each case to the appropriate addresses and facsimile numbers set

                                  Page 13 of 32
<PAGE>

forth below (or to such other  addresses  and  facsimile  numbers as a party may
designate by notice to the other parties):

                  If to Seller:

                           VDC TELECOMMUNICATIONS, INC.
                           Attn:  Frederick A. Moran, President
                           75 Holly Hill Lane
                           Greenwich, CT  06830
                           (203) 552-0908 (facsimile)

                  If to Buyer:

                           OMNETRIX INTERNATIONAL, INC.
                           Attn:    William Van Vliet, President
                           3025 South Parker Road
                           Suite 705
                           Aurora, CO 80014
                           (303) 743-7835 (facsimile)

         10.10    Counterparts; Headings.  This  Agreement  may  be executed  in
                  ----------------------
multiple  counterparts  each of  which  shall  be an  original  but all of which
together shall constitute one and the same  instrument.  This Agreement may also
be executed and delivered by exchange of facsimile copies showing the signatures
of the parties,  and those  signatures need not be affixed to the same copy. The
facsimile   copies  showing  the  signatures  of  the  parties  will  constitute
originally signed copies of the Agreement  requiring no further  execution.  The
Article and Section  headings in this Agreement are inserted for  convenience of
reference only and shall not constitute a part hereof.

         10.11    Income Tax  Position.  Neither  Buyer nor Seller  shall take a
                  --------------------
position for income tax purposes which is inconsistent with this Agreement.

         10.12    Severability.  The  invalidity or unenforceability of any term
                  ------------
of this  Agreement  shall not affect the  validity  or  enforeceability  of this
Agreement or any of its other terms;  in the event that any court or  arbitrator
determines that any provision of this Agreement is invalid or unenforceable,  as
the case may be, then, and in either such event,  neither the enforceability nor
the validity of said paragraph or section as a whole shall be affected.  Rather,
the  scope of said  paragraph  or  section  shall  be  revised  by the  court or
arbitrator as little as possible to make the  paragraph or section  enforceable.
If the court or arbitrator will not revise said paragraph or section,  then this
Agreement shall be construed as though the invalid or unenforceable term(s) were
not included herein.

         10.13    Judicial  Interpretation.  Should  any  provision   of    this
                  ------------------------
Agreement  require  judicial  interpretation,  the parties hereto agree that the
court interpreting or construing the same shall not apply a presumption that the
terms hereof shall be more strictly construed against one party by reason of the

                                  Page 14 of 32
<PAGE>

rule of  construction  that a document is to be construed more strictly  against
the party which itself or through its agent  prepared the same,  it being agreed
that the agents of each party have participated in the preparation hereof.

         10.14    Governing Law; Jurisdiction;  Trial by Jury.   This  Agreement
                  -------------------------------------------
shall be governed by and construed in accordance  with the internal  substantive
and procedural laws of the State of Colorado  without regard to conflict of laws
principles.  The parties consent to the personal  jurisdiction  and venue of the
United States  District Court for the District of Colorado in Denver,  Colorado.
The  parties  waive  any  objection  relating  to  improper  venue or forum  non
conveniens  to the  conduct  of any  proceeding  in either  such  court.  At the
Seller's sole election and determination,  any legal,  equitable, or arbitration
action may also be brought in the State of  Connecticut or in any other state or
federal  court of  competent  jurisdiction  in any  state in which the Buyer has
assets and the parties waive any objection  relating to improper  venue or forum
non conveniens to the conduct of any  proceeding in any such court.  The parties
expressly waive any right to a trial by jury.

         10.15    Remedies Cumulative.  Each right and remedy  granted to Seller
                  -------------------
under this  Agreement  shall be cumulative and in addition to any other right or
remedy existing in equity, at law, by virtue of statute or otherwise, and may be
exercised by Seller from time to time concurrently or independently and as often
and in such  order as Seller  may  elect.  Any  failure  or delay on the part of
Seller in  exercising  any such  right or remedy  shall not  operate as a waiver
thereof.

         10.16    Saturdays, Sundays and Legal  Holidays.  If the time period by
                  --------------------------------------
which any acts or payments required  hereunder must be performed or paid expires
on a  Saturday,  Sunday  or  legal  holiday,  then  such  time  period  shall be
automatically  extended to the close of business on the next regularly scheduled
business day.

                         [Remainder of page left blank]

                                  Page 15 of 32
<PAGE>

                  IN WITNESS  WHEREOF,  the parties have  executed this Purchase
and Sale Agreement as of the day and year first above written.

                                    "SELLER"

WITNESS:                            VDC TELECOMMUNICATIONS, INC.

/s/ Clayton F. Moran
---------------------------
Signature

Clayton F. Moran                    By: /s/ Frederick A. Moran
---------------------------            -----------------------------------------
Print Name                                  Frederick A. Moran
                                            President

                                    "BUYER"

WITNESS:                            OMNETRIX INTERNATIONAL, INC.

/s/ Richard Krumbein
---------------------------
Signature

Richard Krumbein                       By:/s/ William Van Vliet
---------------------------            -----------------------------------------
Print Name                                 William Van Vliet
                                           President

                                  Page 16 of 32
<PAGE>

                                  SCHEDULE 2.7

                                  Page 17 of 32
<PAGE>

                                   EXHIBIT "A"
                                   -----------

                                  BILL OF SALE

                                  Page 18 of 32
<PAGE>

                                   EXHIBIT "B"
                                   -----------

                              OFFICERS CERTIFICATE

                          OMNETRIX INTERNATIONAL, INC.

         I,  the  undersigned,   President  of  OMNETRIX  INTERNATIONAL,   INC.,
("Omnetrix"),  a corporation  organized and existing under the laws of the State
of Colorado, DO HEREBY CERTIFY that:

         1.       This Certificate is furnished pursuant to Section  VIII of the
Purchase and Sale  Agreement  (the  "Agreement"),  dated as of August ___, 2000,
between  Omnetrix  and VDC  Telecommunications,  Inc.,  a  Delaware  corporation
("VDC").  Unless  otherwise  defined  herein  capitalized  terms  used  in  this
Certificate have the meanings assigned to these terms in the Agreement.

         2.       The  persons  named  below  have been duly elected,  have duly
qualified as and at all time since  [____________]  (to and  including  and date
hereof) have been officers of Omnetrix, holding the respective offices below set
opposite  their names,  and the  signatures  below set opposite  their names are
their genuine signatures.

         Name                       Office                      Signature
         ----                       ------                      ---------

         William Van Vliet          President
                                                      --------------------------

         William Van Vliet          Secretary
                                                      --------------------------

         3.       Attached hereto as  Attachment A is a copy of the  Certificate
of Incorporation  of Omnetrix,  as filed in the Office of the Secretary of State
on January 19, 2000,  together with all amendments  thereto  adopted through the
date hereof.

         4.       Attached hereto as  Attachment B is a true and correct copy of
the By-Laws of  Omnetrix,  as in effect on January 24, 2000,  together  with all
amendments thereto adopted through the date hereof.

         5.       Attached hereto as Attachment C is a true and  correct copy of
resolutions  duly  adopted by the Board of Directors of Omnetrix at a meeting on
__________,  2000,  at which a quorum was present and acting  throughout,  which
resolutions have not been revoked,  modified, amended or rescinded and are still
in full force and effect.  No new resolutions  have been adopted by the Board of
Directors of Omnetrix which deal with the execution,  delivery or performance of
the Agreement.

                                  Page 19 of 32
<PAGE>

         6.       On   the   date  hereof,  the  representations  and warranties
contained in Article V of the Agreement are true and correct.

         IN WITNESS  WHEREOF,  I have hereunto set my hand this ___ of ________,
2000.

OMNETRIX INTERNATIONAL, INC.

By
  -------------------------------
Name:  William Van Vliet
Title: President

         I, the undersigned, Secretary of Omnetrix, DO HEREBY CERTIFY that:

         1.       The Person making the above certifications is the duly elected
and  qualified  President  of Omnetrix  and the  signature  above is her genuine
signature.

         2.       The certifications made by William Van Vliet in items 2, 3, 4,
5 and 6 above  are true and correct.

         IN  WITNESS  WHEREOF,  I have  hereunto  set my hand this ___ of _____,
2000.

OMNETRIX INTERNATIONAL, INC.

By
  --------------------------------

Name:    William Van Vliet
Title:   Secretary

                                  Page 20 of 32
<PAGE>

                                  ATTACHMENT A

                    CERTIFICATE OF INCORPORATION OF OMNETRIX

                                  Page 21 of 32
<PAGE>

                                  ATTACHMENT B

                               BYLAWS OF OMNETRIX

                                  Page 22 of 32
<PAGE>

                                  ATTACHMENT C

                           CERTIFICATE OF SECRETARY OF

                          OMNETRIX INTERNATIONAL, INC.

         I,  William Van Vliet,  Secretary  of OMNETRIX  INTERNATIONAL,  INC., a
Colorado corporation  ("Omnetrix"),  HEREBY CERTIFY that at a special meeting of
the Board of Directors of Omnetrix held on _______, 2000, a corporate resolution
was adopted authorizing  William Van Vliet,  President of Omnetrix to execute on
behalf of Omnetrix the  Purchase  and Sale  Agreement  (the  "Agreement")  dated
August 26, 2000 between  Omnetrix and VDC  Telecommunications,  Inc., a Delaware
corporation  ("VDC"), the promissory notes,  security agreement,  Colorado UCC-1
Financing  Statement and any and all  documents  necessary to give effect to the
transactions contemplated by the Agreement.

         I FURTHER  CERTIFY  that  William Van Vliet , President of Omnetrix has
the  authority  to execute on behalf of Omnetrix the  Agreement  and any and all
documents,  including  agreements,  promissory  notes, and security  agreements,
necessary for Omnetrix to purchase from VDC, subject to the terms and conditions
of the Agreement,  the Purchased  Assets listed in Exhibit "C" of the Agreement,
and assume all obligations under the Agreement.

         I FURTHER CERTIFY that Omnetrix has the necessary  authority to execute
and deliver, and to perform its obligations under the Agreement.

         IN WITNESS WHEREOF, the undersigned has subscribed his name and affixed
the seal of Omnetrix this ____ day of ______, 2000.

                                            By:
                                               ---------------------------------
                                                            Secretary

                                  Page 23 of 32
<PAGE>

                                   EXHIBIT "C"
                                   -----------

A  Telecommunications  Switch  manufactured by Siemens Stromberg Carlson,  which
includes:

-        Rel 15.09 DCO-CS E/W for 2304 ports incl.  Toll  Free  Number Expansion
         and 4 Digit CIC

-        Enhanced SS7 with 800 portability, incl.  SS7  backward call indication
         and circuit ID

-        SS7 spares

-        Qty.2 additional pairs A-links

-        Route by ANI on any 700/800 number

-        ISDN transport

-        DTF and Digital Interface CUA for ISDN transport

-        Digital I/F CUA for ISDN transport

-        Qty. 3 Digital Interface Unit PWBA's

-        Real Time ANI

                                  Page 24 of 32
<PAGE>

                                   EXHIBIT "D"
                                   -----------

                              OFFICERS' CERTIFICATE

                          VDC TELECOMMUNICATIONS, INC.

         I, the undersigned, President of VDC TELECOMMUNICATIONS, INC., ("VDC"),
a corporation organized and existing under the laws of the State of Delaware, DO
HEREBY CERTIFY that:

         1.       This Certificate  is furnished  pursuant to Section VII of the
Purchase  and Sale  Agreement  (the  "Agreement"),  dated as of August 26, 2000,
between  VDC  and  Omnetrix   International,   Inc.,   a  Colorado   corporation
("Omnetrix").  Unless otherwise  defined herein  capitalized  terms used in this
Certificate have the meanings assigned to these terms in the Agreement.

         2.       The  persons  named  below have been  duly elected,  have duly
qualified as and at all time since ____________, 19__ (to and including and date
hereof) have been  officers of VDC,  holding the  respective  offices  below set
opposite  their names,  and the  signatures  below set opposite  their names are
their genuine signatures.

         Name                               Office                Signature
         ----                               ------                ---------

         Frederick A. Moran                 President
                                                         -----------------------

         Frederick A. Moran                 Secretary
                                                         -----------------------
         3.       Attached hereto as  Attachment A is a copy of the  Certificate
of  Incorporation  of VDC, as filed in the Office of the  Delaware  Secretary of
State on  _______________,  19__,  together with all amendments  thereto adopted
through the date hereof.

         4.       Attached hereto as  Attachment B is a true and correct copy of
the  By-Laws of VDC,  as in effect on  _____________,  19__,  together  with all
amendments thereto adopted through the date hereof.

         5.       Attached hereto as Attachment C is a true and  correct copy of
resolutions  duly  adopted  by the Board of  Directors  of VDC at a  meeting  on
____________,  2000, at which a quorum was present and acting throughout,  which
resolutions have not been revoked,  modified, amended or rescinded and are still
in full  force  and  effect.  Except as  attached  hereto  as  Attachment  C, no
resolutions  have been  adopted by the Board of Directors of VDC which deal with
the execution, delivery or performance of the Agreement.

                                  Page 25 of 32
<PAGE>

         6.       On the  date  hereof,  the  representations   and   warranties
contained in Article IV of the Agreement are true and correct.

         IN  WITNESS  WHEREOF,   I  have  hereunto  set  my  hand  this  ___  of
___________, 2000.

VDC TELECOMMUNICATIONS, INC.

------------------------------------
Name:  Frederick A. Moran
Title: President

         I, the undersigned,  [Secretary/Assistant  Secretary] of VDC, DO HEREBY
CERTIFY that:

         1.       The person making the above certifications is the duly elected
and  qualified  President  of VDC and the  signature  above is  his/her  genuine
signature.

         2.       The certifications made by Frederick A. Moran  in  items 2, 3,
4, 5  and  6  above  are true and  correct.

         IN WITNESS WHEREOF,  I have hereunto set my hand this ___ of _________,
2000.

VDC TELECOMMUNICATIONS, INC.

By:
   ---------------------------------
Name:  Frederick A. Moran
Title: Secretary

                                  Page 26 of 32
<PAGE>

                                  ATTACHMENT A

                          VDC ARTICLES OF INCORPORATION

                                  Page 27 of 32
<PAGE>

                                  ATTACHMENT B

                                   VDC BYLAWS

                                  Page 28 of 32
<PAGE>

                                  ATTACHMENT C

                           CERTIFICATE OF SECRETARY OF

                          VDC TELECOMMUNICATIONS, INC.

         I,  Frederick A. Moran,  Secretary of VDC  TELECOMMUNICATIONS,  INC., a
Delaware corporation ("VDC"),  HEREBY CERTIFY that at a special joint meeting of
the Board of Directors of VDC held on __________,  2000, a corporate  resolution
was ratified  and adopted  authorizing  Frederick A. Moran,  President of VDC to
execute on behalf of VDC the Purchase and Sale Agreement (the "Agreement") dated
August  26,  2000  between  VDC and  Omnetrix  International,  Inc.,  a Colorado
corporation ("Omnetrix"),  and any and all documents necessary to give effect to
the transactions contemplated by the Agreement.

         I FURTHER  CERTIFY that  Frederick  A. Moran,  President of VDC has the
authority to execute on behalf of VDC the  Agreement  and any and all  documents
necessary  for  VDC to  sell  and  irrevocably  and  unconditionally  assign  to
Omnetrix,  subject to the Agreement,  the Purchased Assets listed in Exhibit "C"
of the Agreement).

         I FURTHER  CERTIFY that VDC has the necessary  authority to execute and
deliver, and to perform its obligations under the Agreement.

         IN WITNESS WHEREOF, the undersigned has subscribed his name and affixed
the seal of VDC this ____ day of __________, 2000.

                                            By:
                                               ---------------------------------
                                                          Secretary

                                  Page 29 of 32
<PAGE>

                                   EXHIBIT "E"
                                   -----------

                                 PROMISSORY NOTE

                                  Page 30 of 32
<PAGE>

                                   EXHIBIT "F"
                                   -----------

                               SECURITY AGREEMENT

                                  Page 31 of 32
<PAGE>

                                   EXHIBIT "G"
                                   -----------

                                      UCC-1

                                  Page 32 of 32

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