Document:

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                                                                   EXHIBIT 10.22

                              SEPARATION AGREEMENT

     This Separation Agreement (hereinafter, the "Separation Agreement") is made
and entered into as of the __ day of December, 2001, by and between John D.
Beletic, residing in Dallas County, Texas (hereinafter, "Beletic"), and WebLink
Wireless, Inc., a Delaware corporation headquartered in Dallas County, Texas
(hereinafter, "WebLink" and together with Beletic, the "Parties").

                                    RECITALS

     WHEREAS, Beletic, the Chairman of the Board and Chief Executive Officer of
WebLink, has advised the Board of Directors of WebLink (hereinafter the "Board")
that he desires to reduce his involvement in the active management of WebLink;

     WHEREAS, Beletic has advised the Board that he is willing to and desires to
modify his employment relationship with WebLink (in the manner described herein)
to facilitate the successful reorganization of WebLink;

     WHEREAS, the Board desires to accommodate Beletic's wishes and deems the
proposed changes to Beletic's employment relationship and the other matters
addressed by this Separation Agreement to be in the best interests of WebLink;

     WHEREAS, WebLink is acting under this Separation Agreement in its capacity
as "debtor-in-possession" pursuant to that certain matter styled In re WebLink
Wireless, Inc. et al, Debtors, Jointly Administered Case No. 01-34275-SAF-11
(hereinafter the "Bankruptcy Case");

     NOW, THEREFORE, in consideration of the premises, the mutual covenants and
promises contained herein, and other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the Parties agree as
follows:

     1. The effectiveness of this Separation Agreement is conditioned upon a
final non-appealable order (hereinafter the "Order") approving this Separation
Agreement being entered by the United States Bankruptcy Court for the Northern
District of Texas in the Bankruptcy Case.

     2. During the period commencing with the entry of the Order and ending upon
the close of business on January 31, 2002, Beletic's base salary will be reduced
to Three Hundred Thousand and 00/100 Dollars ($300,000.00) per annum, subject to
all standard payroll taxes and withholding amounts. Beletic's participation in
the 4th Quarter 2001 portion of WebLink's 2001 annual bonus plan for the fiscal
year ending December 31, 2001, will be based upon his current target percentage
applied against his weighted average base salary for such quarter. Beletic's
status as an employee of WebLink will terminate upon the close of business on
January 31, 2002. The term of that certain Retention Agreement, dated January 3,
2000, by and between Beletic and WebLink and the term of that certain Phantom
Stock Agreement, dated January 3, 2000, by and between Beletic and WebLink, will
each expire on the effectiveness of this Separation Agreement. Beletic will
continue as Chairman of the Board and a director of WebLink until he sooner
resigns or is removed.

<PAGE>

     3. Except as hereinafter set forth, Beletic, on his behalf and on behalf of
his heirs, successors, agents, executors, administrators, attorneys and assigns,
hereby knowingly and voluntarily releases, waives his right to recover from and
forever discharges WebLink and any and all of its current or former
stockholders, officers, directors, employees, representatives, agents,
attorneys, affiliates, successors and assigns (hereinafter referred to as the
"WebLink Released Parties"), to the fullest extent permitted by law, from any
and all charges, complaints, claims, liabilities, obligations, promises,
agreements, controversies, damages, actions, causes of action, suits, rights,
demands, costs, losses, debts and expenses (including attorneys' fees and costs
actually incurred) (hereinafter collectively referred to as "Claims"), of any
nature whatsoever, known or unknown, suspected or unsuspected, which he now has,
owns, or holds, or claims to have, own, or hold, or which he at any time
heretofore had, owned, or held, or claimed to have had, owned, or held, against
any one or more of the WebLink Released Parties for any reason whatsoever in law
or in equity, under federal, commonwealth, state or local law (whether domestic
or foreign), including without limitation any and all Claims arising from (i)
Beletic's participation or right to participate in WebLink's Key Employee
Retention Plan, dated February 14, 2001, or the Amended Key Employee Retention
Plan approved by the Board on October 25, 2001, (ii) any claim by Beletic to
payment by WebLink of severance compensation, (iii) any employment statute or
regulation, any employment discrimination law, including, but not limited to,
the Age Discrimination in Employment Act, as amended, 29 U.S.C. Section 621 et
seq., Title VII of the Civil Rights Act of 1964, as amended, and the Equal Pay
Act of 1963, The Americans with Disabilities Act of 1990, as amended, the
Employee Retirement Income Security Act (non-vested rights only), Texas Labor
Code Section 21.001 et seq. (Texas Employment Discrimination) and any other
federal, commonwealth, state, or local civil rights, pension or labor law
(whether domestic or foreign), and (iv) any and all stock options granted to
Beletic by WebLink. Beletic warrants that, except as hereinafter set forth, this
is a general release and that he has not assigned or transferred any Claims that
would have, but for such assignment or transfer, been covered hereby. Nothing in
this Paragraph will be deemed to release or discharge WebLink from its
obligations set forth in this Separation Agreement.

     4. Without limiting the generality of the foregoing, Beletic, on his behalf
and on behalf of his heirs, successors, agents, executors, administrators,
attorneys and assigns, further agrees not to sue or otherwise institute or cause
to be instituted, or solicit, encourage, or cause any other individual or entity
to sue or otherwise institute or cause to be instituted, except as required by
order of a court or of any agency of any federal, commonwealth, state, or local
government (whether domestic or foreign), the prosecution of any claim,
complaint, or charge seeking damages against any WebLink Released Party in any
federal, commonwealth, state, local or other court, administrative agency,
commission, or other forum (whether domestic or foreign) concerning any Claims
released herein, and Beletic irrevocably and unconditionally waives any and all
rights to recover any relief or damages concerning Claims released herein.
Beletic specifically represents that no complaints, charges, or other
proceedings are pending in any court, administrative agency, or other forum
relating directly or indirectly to any Claims released herein.

     5. Beletic hereby acknowledges that in connection with his service as an
officer of the Company, he had access to and received information of the Company
(oral, written and otherwise) that is non-public, confidential and/or
proprietary in nature (the "Confidential Information"). Beletic reaffirms his
obligation regarding such Confidential Information and

<PAGE>

covenant not to compete as set forth in the Confidentiality and Noncompetition
Agreement signed by Beletic on June 6, 1997.

     6. Except as hereinafter set forth, WebLink, on its behalf and on behalf of
its affiliates, successors, agents, attorneys and assigns, hereby knowingly and
voluntarily releases, waives its rights to recover from and forever discharges
Beletic and any and all of his heirs, successors, agents, administrators,
attorneys, executors and assigns (hereinafter referred to as the "Beletic
Released Parties"), to the fullest extent permitted by law, from any and all
Claims, of any nature whatsoever, known or unknown, suspected or unsuspected,
which it now has, owns, or holds, or claims to have, own, or hold, or which it
at any time heretofore had, owned, or held, or claimed to have had, owned, or
held, against any one or more of the Beletic Released Parties for any reason
whatsoever in law or in equity, under federal, commonwealth, state or local law
(whether domestic or foreign). WebLink warrants that, except as hereinafter set
forth, this is a general release and that it has not assigned or transferred any
Claims that would have, but for such assignment or transfer, been covered
hereby. Nothing in this Paragraph will be deemed to release or discharge Beletic
from his obligations set forth in this Separation Agreement.

     7. Without limiting the generality of the foregoing, WebLink, on its behalf
and on behalf of its affiliates, successors, agents, attorneys and assigns,
further agrees not to sue or otherwise institute or cause to be instituted, or
solicit, encourage, or cause any other individual or entity to sue or otherwise
institute or cause to be instituted, except as required by order of a court or
of any agency of any federal, commonwealth, state, or local government (whether
domestic or foreign), the prosecution of any claim, complaint, or charge seeking
damages against any Beletic Released Party in any federal, commonwealth, state,
local or other court, administrative agency, commission, or other forum (whether
domestic or foreign) concerning any Claims released herein, and WebLink
irrevocably and unconditionally waives any and all rights to recover any relief
or damages concerning Claims released herein. WebLink specifically represents
that no complaints, charges, or other proceedings are pending in any court,
administrative agency, or other forum relating directly or indirectly to any
Claims released herein.

     8. Notwithstanding the foregoing, neither Beletic nor WebLink will be
deemed to have released any party with respect to Claims arising out of or
attributable to (i) contractual obligations of the Parties not expressly
addressed above, (ii) Beletic's entitlement to salary and bonuses accrued but
not yet paid as of the effectiveness of this Separation Agreement, (iii)
Beletic's entitlement to participate in WebLink's employee benefit plans in
which employees of WebLink are generally entitled to participate or (iv)
Beletic's rights to or Claims for contribution or indemnification pursuant to
WebLink's certificate of incorporation or bylaws or any contract or statutory or
common law. In addition, notwithstanding the foregoing, (i) Beletic will not be
deemed to have released or relinquished any rights or Claims he has as an
insured or otherwise arising out of or relating to any contract of insurance,
including but not limited to WebLink's Directors and Officers Liability
Insurance Policies, and (ii) WebLink and Beletic will not be deemed to have
released any Claim arising out of or attributable to the factual allegations now
or hereafter set forth in that certain litigation styled

     (i)  Park Avenue Securities v. WebLink Wireless, Inc. and John D. Beletic;
          Civil Action No. 3-01-CV-0498-L, Consolidated with Civil Action No.
          3-01-CV-0551-L,

<PAGE>

          Civil Action No. 3-01-CV-0563-L and Civil Action No. 3-01-CV-0674-L;
          pending in the United States District Court for the Northern District
          of Texas; and

     (ii) Pine T-1 Limited Partnership v. WebLink Wireless, Inc. and John D.
          Beletic; Civil Action No. 3-01-CV-1634-L; originally filed in County
          Court at Law No. 5, Dallas County, Texas; removed to and pending in
          the United States District Court for the Northern District of Texas.

     9. WebLink will use its reasonable best efforts to carry for the first five
(5) years following the effectiveness of this Separation Agreement, in coverage,
form, retroactive date and amount at least equal to the coverage carried as of
the date of this Separation Agreement, directors' and officers' liability
insurance covering each such person currently covered by such insurance,
including but not limited to Beletic, and pay all premiums on the policies for
such insurance when and as they become due and do all other things necessary to
maintain such policies in full force and effect.

     10. The rights and restrictions in this Separation Agreement may be
exercised and are applicable only to the extent that they do not violate
applicable laws, and are intended to be limited to the extent necessary so that
they will not render this Separation Agreement illegal, invalid or
unenforceable. If any term shall be held illegal, invalid or unenforceable by a
court of competent jurisdiction, the remaining terms shall remain in full force
and effect.

     11. This Separation Agreement may be amended, modified, or supplemented
only by a written instrument executed by the Parties, and shall be binding upon
their respective heirs, beneficiaries, successors and assigns. This Separation
Agreement is entered into in Dallas County, Texas and shall be governed by and
construed under the laws of the State of Texas, exclusive of any choice of law
rules. To the maximum extent practicable, this Separation Agreement will be
deemed to call for performance in Dallas County, Texas.

     12. This Separation Agreement sets forth the entire agreement and
understanding between the Parties with respect to the subject matter hereof,
supersedes any prior agreement with respect to the subject matter hereof, and
merges all prior discussions and negotiations between the Parties. The Parties
each represent that they are not relying on any promises or oral or written
statements or representations other than those contained in this Separation
Agreement.

     13. Each Party acknowledges that such Party has read and understands this
Separation Agreement and executes it knowingly, voluntarily and without
coercion. Beletic further acknowledges that he is being advised herein in
writing to consult with an attorney prior to executing this Separation
Agreement, and that he has been given a period of at least forty-five days
within which to consider and execute this Separation Agreement, unless he
voluntarily chooses to execute this Separation Agreement before the end of the
twenty-one day period by executing the attached Election to Execute Prior to
Expiration of Forty-Five Day Consideration Period. Beletic understands that he
has seven days following his execution of this Separation Agreement to revoke
it. For such revocation to be effective, written notice of revocation must be
delivered directly to the attention of Frederick G. Anderson, General Counsel at
WebLink's Dallas, Texas headquarters, no later than 5:00 p.m. on the seventh
calendar day after Beletic

<PAGE>

signs this Separation Agreement. If Beletic revokes this Agreement, it shall not
be effective or enforceable and he shall not receive the benefits described
herein.

     IN WITNESS THEREOF, Beletic and WebLink, after carefully reading the
provisions of this Separation Agreement herein declare that they understand such
provisions and willingly accept and agree thereto by executing this Separation
Agreement.

                                       WebLink Wireless, Inc.

                                       By:
-----------------------------------        --------------------------------

John D. Beletic                            Name:
                                                 --------------------------
                                           Title:
                                                  -------------------------

Date:                                  Date:
      -----------------------------          ------------------------------

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                     ELECTION TO EXECUTE PRIOR TO EXPIRATION
                     OF FORTY-FIVE DAY CONSIDERATION PERIOD

     I, John D. Beletic, understand that I have at least forty-five days within
which to consider and execute the foregoing Separation Agreement. However, after
having an opportunity to consult counsel I have freely and voluntarily elected
to execute the Separation Agreement before the forty-five day period has
expired.

                                       ------------------------------------
                                       John D. Beletic

                                       Date:
                                             ------------------------------<PAGE>
                                                                   EXHIBIT 10.23

                             WEBLINK WIRELESS, INC.

                       AMENDED KEY EMPLOYEE RETENTION PLAN

Page 1 of 13
<PAGE>

                             WEBLINK WIRELESS, INC.

                       AMENDED KEY EMPLOYEE RETENTION PLAN

                                TABLE OF CONTENTS

<Table>
<S>                                                                          <C>
SECTION 1

         General
         1.1      History and Purpose                                        4
         1.2      Plan Amount                                                4
         1.3      Plan Administration                                        4
         1.4      Action by the Company                                      4

SECTION 2

         Participation
         2.1      Participation                                              5
         2.2      Participation Agreement                                    5
         2.3      Nonparticipation                                           5

SECTION 3

         Retention Event and Change in Control
         3.1      Retention Event                                            5

SECTION 4

         Retention Bonus
         4.1      Retention Bonus                                            6
         4.2      Participant's Base Amount                                  6
         4.3      Deemed Retention Event                                     6
         4.4      Cause                                                      7
         4.5      Disability                                                 7
         4.6      Termination for Good Reason                                7

SECTION 5

         Confidentiality and Non-Competition
         5.1      Confidentiality and Non-Competition - General              7
         5.2      Confidential Information                                   8
</Table>

Page 2 of 13
<PAGE>

<Table>
<S>                                                                          <C>
         5.3      Non-Competition                                            9

SECTION 6

         Enforcement
         6.1      Arbitration of Disputes                                    9
         6.2      Reimbursement of Costs and Expenses                        9

SECTION 7

         Amendment of Termination
         7.1      Amendments and Terminations                                10
         7.2      Participant Rights                                         10
         7.3      Successors                                                 10

SECTION 8

         Miscellaneous
         8.1      Mitigation and Set-Off                                     10
         8.2      Non-Alienation                                             10
         8.3      Withholding                                                11
         8.4      Source of Payments                                         11
         8.5      Notices                                                    11
         8.6      Gender and Number                                          11
         8.7      No Rights to Employment or Continuation of Relationship    11
         8.8      Governing Law                                              11
         8.9      Severability                                               11
         8.10     No Limitation Upon the Rights of the Company               12
         8.11     No Liability for Good Faith Determinations                 12
</Table>

Page 3 of 13
<PAGE>

                             WEBLINK WIRELESS, INC.
                       AMENDED KEY EMPLOYEE RETENTION PLAN

                                    SECTION 1

                                     GENERAL

     1.1 HISTORY AND PURPOSE. The Board of Directors (the "Board") of WebLink
Wireless, Inc., a Delaware corporation (the "Company"), believes that the
prospect of a pending Retention Event inevitably creates distractions and
personal risks and uncertainties for a company's key employees. The Board
further believes that, because certain key employees' continued performance of
their job functions and duties is critical to the success of the Company, it is
in the best interests of the Company to minimize such distractions and to
encourage its key employees' full attention and dedication to their duties.
Accordingly, this WebLink Wireless, Inc. Amended Key Employee Retention Plan
(the "Amended Plan") is established by the Company to promote the long-term
financial interests of the Company by providing the key employees of the Company
with an incentive to remain employed with the Company so they can continue to
actively perform their job functions and duties with full attention and
dedication while a Retention Event is pending. This Amended Plan supersedes and
voids any and all previous oral and written retention and severance plans and
agreements in effect for Participants, including the previous Key Employee
Retention Plan which went into effect on February 14, 2001 (the "Previous
Plan"). Notwithstanding the foregoing, the Company's standard severance practice
and/or policy (as published by the Company at the time a Participant is
terminated without Cause) (the "Standard Severance Policy") shall remain in full
force and effect.

     1.2 PLAN AMOUNT. The total distributions under the Amended Plan shall not
exceed the sum of $2,500,000. Under no circumstances, shall the funds available
for distribution under the Amended Plan exceed $2,500,000, including the amounts
proposed to be paid by the Company pursuant to the Pre-Petition Retention Bonus
Program.

     1.3 PLAN ADMINISTRATION. The authority to control and manage the operation
and administration of the Amended Plan shall be vested in the Board.

     1.4 ACTION BY COMPANY. Any action required or permitted to be taken by the
Company under the Amended Plan shall be by resolution of its Board of Directors.

Page 4 of 13
<PAGE>

                                    SECTION 2

                          ELIGIBILITY AND PARTICIPATION

     2.1 ELIGIBILITY AND PARTICIPATION. In order to be eligible to be a
Participant in this Amended Plan an employee must:

     (1)  Be a full time regular employee of the Company (as that classification
          is used in the normal business practices of the Company); and

     (2)  Have been designated as a Participant and have had a Retention
          Percentage established by the Company's Board of Directors, and

     (3)  Voluntarily sign a Release of Claims in form and substance reasonably
          acceptable to the Company.

     2.2 PARTICIPATION AGREEMENT. The participation of each Participant shall be
evidenced by a Participation Agreement in substantially the form attached hereto
as Exhibit A.

     2.3 NONPARTICIPATION. Notwithstanding any provisions in the Amended Plan,
John Beletic has agreed not to participate as a Participant under the Amended
Plan.

                                    SECTION 3

                      RETENTION EVENT AND CHANGE IN CONTROL

     3.1 RETENTION EVENT. For purposes of the Amended Plan, the term "Retention
Event" means the first to occur of the following:

     (1)  the date upon which a Plan of Reorganization is confirmed by the court
          in the Company's Chapter 11 bankruptcy proceeding (the "Court").

     (2)  there is consummated an agreement for the sale, lease or other
          disposition by the Company of all or substantially all of the
          Company's assets in which the proceeds to the Company from such sale,
          lease or disposition are sufficient to pay all claims against the
          Company having a higher priority of payment than Participants' claims
          under this Amended Plan.

Page 5 of 13
<PAGE>

                                    SECTION 4

                                 RETENTION BONUS

     4.1 RETENTION BONUS. Subject to the provisions of this Amended Plan, a
Participant shall be entitled to receive a Retention Bonus (as defined in this
Section) if the Participant remains continuously employed with the Company (or
its successor in interest) from the date he or she is designated a Participant
by the Board through the date a Retention Event occurs (the "Retention Trigger
Date"). As used herein, "Retention Bonus" shall mean Participant's Retention
Percentage as shown in his/her Participation Agreement times the Participant's
Base Amount (as defined in Section 4.2). Except as set forth in Section 4.3
herein, the Retention Bonus shall be paid in equal monthly installments over 12
months beginning on the fifth business day after the Retention Trigger Date. In
the event that Participant's employment is terminated after the Retention
Trigger Date by the Company without Cause (as defined in Section 4.4) or by the
Participant for Good Reason (as defined in Section 4.6), he/she will be entitled
to continue receiving monthly Retention Bonus payments until the Retention Bonus
is fully paid. If Participant's employment is terminated for any other reason,
he/she will not be entitled to receive any further Retention Bonus payments.

     4.2 PARTICIPANT'S BASE AMOUNT. Subject to the limitations set forth in
Section 1.2 of the Amended Plan, the Participant's Base Amount is equal to the
sum of:

     (1)  the Participant's annual rate of salary or base compensation as set
          forth in the Participant's Participation Agreement; plus

     (2)  the Participant's target bonus percentage rate (including annual and
          MBO bonus programs) set forth in his/her Participation Agreement times
          the amount described in clause (1) of this Section.

     4.3 DEEMED RETENTION EVENT. If the Participant's employment is terminated
by the Company before the Retention Trigger Date and such termination is by the
Company for a reason other than Cause (as defined in Section 4.4), death or
Disability (as defined in Section 4.5) or is by the Participant because of Good
Reason (as defined in Section 4.6), then as to such Participant only, a
Retention Event shall be deemed to have occurred immediately prior to such
termination. When such a deemed Retention Event occurs, Participant shall be
entitled to the greater of (i) one-half of the Retention Bonus (as defined in
Section 4.1), paid in lump sum within 10 days after Participant's termination,
or (ii) any severance amounts due to Participant in accordance with the
Company's then Standard Severance Policy (the "Severance Amount"). Upon the
occurrence of a termination event, Participant will not be entitled to more than
either his/her Retention Bonus or Severance Amount (whichever the Participant
elects).

Page 6 of 13
<PAGE>

     4.4 CAUSE. For purposes of this Amended Plan, the term "Cause" means (i) a
Participant willfully engaging in conduct materially injurious to the Company,
or (ii) the willful and continual failure by a Participant to substantially
perform the duties assigned to the Participant (other than any failure resulting
from the Participant's incapacity due to physical injury or illness or mental
illness), which failure has not been corrected by the Participant within 30 days
after receipt of a written notice from the Chief Executive Officer or Board of
Directors of the Company specifying the manner in which the Participant has
failed to perform such duties, or (iii) a Participant's violation of the written
policies of the Company that, in accordance with the normal employment practices
of the Company, has become a termination event. No act, or failure to act, by a
Participant shall be deemed "willful" unless done, or omitted to be done, not in
good faith and without reasonable belief that such action or omission was in the
best interest of the Company.

     4.5 DISABILITY. For purposes of this Amended Plan, the term "Disability"
shall have the meaning set forth under the Company's long-term disability plan
or policy.

     4.6 TERMINATION FOR GOOD REASON. For purposes of this Amended Plan, a
termination because of "Good Reason" means a resignation by a Participant
following the occurrence of:

     (1)  a reduction of 25% or more in the Participant's annual base salary
          without the consent of the Participant;

     (2)  the Company's failure to perform or observe any of the material terms
          of this Amended Plan.

                                    SECTION 5

                       CONFIDENTIALITY AND NON-COMPETITION

     5.1 CONFIDENTIALITY AND NON-COMPETITION - GENERAL. Any benefits payable
under this Amended Plan are conditioned upon and subject to the terms of this
Section 5. To the extent that a Participant violates any provision of this
Section 5, the Company will have no further obligation to provide any benefit or
payment due hereunder, and will also have any other remedies available to the
Company for such violation including but not limited to a preliminary
injunction, temporary restraining order or other equivalent relief. Section 5 is
in addition to the confidentiality and non-competition agreements signed at or
during employment with the Company. The Participant's receipt of payments under
this Amended Plan constitutes the Participant's ratification and reaffirmation
of such prior agreements as well as those in this Amended Plan.

Page 7 of 13
<PAGE>

     5.2 CONFIDENTIAL INFORMATION. The Participant agrees that:

     (1)  Except as may be required by law, by lawful judicial, governmental or
          regulatory authority, or by lawful order of a court or agency of
          competent jurisdiction, or except to the extent required to perform
          the Participant's duties during the course of his/her employment with
          the Company or to the extent that the Participant has express written
          authorization from the Company, the Participant (i) shall keep secret
          and confidential all Confidential Information (as defined below), (ii)
          shall not disclose the same, either directly or indirectly, to any
          other person, and (iii) shall not use it in any way.

     (2)  For purposes of this Amended Plan, the term "Confidential Information"
          means all non-public information concerning the Company and its
          affiliates that was acquired by or disclosed to the Participant during
          the course of employment with the Company, or during the course of
          consultation with the Company following the Participant's date of
          termination, including, without limitation:

          (i)  any non-public information regarding the Company's and its
               affiliates' customers, services, processes, costs, operations and
               methods, whether past, current or planned, as well as knowledge
               and data relating to business plans, marketing and sales
               information originated, owned, controlled or possessed by the
               Company or its affiliates; and

          (ii) information regarding litigation and pending litigation involving
               or affecting the Company or its affiliates.

     (3)  To the extent that the Participant obtains information on behalf of
          the Company or any of its affiliates that may be subject to
          attorney-client privilege as to the Company's or its affiliates'
          attorneys, the Participant shall take reasonable steps to maintain the
          confidentiality of such information and to preserve such privilege.

     (4)  The Participant agrees that effective with the date of termination,
          the Participant will deliver to the Company all papers, books,
          manuals, lists, correspondence, documents, computer programs, computer
          spreadsheets, data captured on machine-readable media, and other
          material containing or relating to the Confidential Information,
          together with all copies thereof, that are in the Participant's
          possession or control, other than such materials as shall be necessary
          to permit the Participant to prepare the Participant's tax returns.

     (5)  Nothing in this Section 5.2 shall be construed so as to prevent the
          Participant from using, in connection with his employment for himself
          or an

Page 8 of 13
<PAGE>

          employer other than the Company or any of its affiliates, knowledge
          that was acquired by Participant during the course of his employment
          with the Company and its affiliates, and which is generally known to
          persons of his experience in other companies in the same industry.

     5.3 NONCOMPETITION. Each Participant who holds the position of Director or
higher as of the Effective Date of this Amended Plan, and who becomes eligible
for a Retention Bonus under Section 4, agrees as further consideration for such
benefit that, for a period of 6 months after the date of termination, the
Participant shall not be employed by, or otherwise engage or be interested in,
any business which is competitive with any business of the Company or of any of
its subsidiaries in which the Participant was engaged during his employment
prior to his termination, but this restriction shall apply only if such
employment or activity is likely to cause, or causes, serious damage to the
Company or any of its subsidiaries.

                                    SECTION 6

                                   ENFORCEMENT

     6.1 ARBITRATION OF DISPUTES. All claims arising out of or relating to this
Amended Plan shall be settled by arbitration in the city in which the principal
executive offices of the Participant's Company are located (disregarding any
transfer of such offices after a Retention Event), by three arbitrators, one of
whom shall be appointed by the Company, one by the Participant and the third of
whom shall be appointed by the first two arbitrators. If the first two
arbitrators cannot agree on the appointment of a third arbitrator, then the
third arbitrator shall be appointed by the Chief Judge of the United States
District Court for such location. Each party shall pay the fees and expenses of
the arbitrator appointed by it and one-half of the fees and expenses of the
third arbitrator. The arbitration shall be conducted in accordance with the
rules of the American Arbitration Association, except with respect to the
selection of arbitrators which shall be as provided in this Section. The
decision of the arbitrators shall be final and binding and judgment upon the
award rendered by the arbitrators may be entered in any court having
jurisdiction thereof.

     6.2 REIMBURSEMENT OF COSTS AND EXPENSES. In the event that it shall be
necessary or desirable for a Participant to retain legal counsel or incur other
costs and expenses in connection with enforcement of rights under the Amended
Plan, the Company shall pay (or the Participant shall be entitled to recover
from the Company, as the case may be) reasonable attorneys' fees and costs and
expenses in connection with enforcement of such rights (including the
enforcement of any arbitration award in court) to the extent determined by the
arbitrators.

Page 9 of 13
<PAGE>

                                    SECTION 7

                            AMENDMENT OR TERMINATION

     7.1 AMENDMENT AND TERMINATION. Subject to the provisions of Section 7.2:

     (1)  The Company's Senior Vice President - Human Resources, or such other
          officer of the Company as may from time to time be primarily
          responsible for human resource matters, may, with the concurrence of
          the Company's Senior Vice President and General Counsel and Chief
          Executive Officer, make minor or administrative written amendments to
          the Amended Plan;

     (2)  the Board of Directors of the Company may not terminate or amend the
          Amended Plan without the prior approval of the bankruptcy court.

     7.2 PARTICIPANT RIGHTS. No amendment or termination of the Amended Plan
which would directly or indirectly adversely affect any Participant shall be
effective if adopted at any time without the Participant's written consent.

     7.3 SUCCESSORS. The obligations of the Company under the Amended Plan shall
be binding upon any assignee or successor in interest thereto. The Company shall
not merge, consolidate or combine with any other corporation, or liquidate or
dissolve, without making suitable arrangements for the payment of any benefits
which are or may become payable under the Amended Plan.

                                    SECTION 8

                                  MISCELLANEOUS

     8.1 MITIGATION AND SET-OFF. No Participant shall be required to mitigate
the amount of any payment provided for in this Amended Plan by seeking other
employment or otherwise. The Company shall not be entitled to set off against
the amounts payable to any Participant under this Amended Plan any amounts
earned by the Participant in other employment after termination of the
Participant's employment with the Company, or any amount which might have been
earned by the Participant in other employment had he sought such other
employment.

     8.2 NON-ALIENATION. Participants shall not have any right to pledge,
hypothecate, anticipate or in any way create a lien upon any amounts provided
under this Amended Plan; and no benefits payable hereunder shall be assignable
in anticipation of payment either by voluntary or involuntary acts or by
operation of law. Nothing in this Section shall limit a Participant's rights or
powers to dispose of the Participant's property by will or limit any rights or
powers which the Participant's executor or administrator would otherwise have.

Page 10 of 13
<PAGE>

     8.3 WITHHOLDING. All payments to a Participant under this Amended Plan will
be subject to all applicable withholding of state and federal taxes.

     8.4 SOURCE OF PAYMENTS. The obligations of the Company under the Amended
Plan are solely contractual, and any amount payable under the terms of the
Amended Plan shall be paid from the general assets of the Company or from one or
more trusts, the assets of which are subject to the claims of the Company's
general creditors. However, the obligations under this Amended Plan have been
approved by Order of the Court and therefore create post petition administrative
priority claims for payment by the Company.

     8.5 NOTICES. Any notice or document required to be given under the Amended
Plan shall be considered to be given if actually delivered or mailed by
certified mail, postage prepaid, if to the Company, to the General Counsel of
the Company at the Company's principal business address or, if to a Participant,
at the last address of such Participant filed with the Company.

     8.6 GENDER AND NUMBER. Where the context permits, words in any gender shall
include any other gender, words in the singular shall include the plural, and
the plural shall include the singular.

     8.7 NO RIGHT TO EMPLOYMENT OR CONTINUATION OF RELATIONSHIP. Nothing in this
Amended Plan shall confer upon or be construed as giving any Participant any
right to remain in the employ of the Company. All Participants' employment with
the Company is and will at all times remain "at will". The Company may at any
time dismiss a Participant from employment free from a liability or any claim
except as expressly provided in this Amended Plan. No employee of the Company
shall have any claim to be designated a Participant and there is no obligation
for uniformity of treatment of any employee of the Company.

     8.8 GOVERNING LAW. EXCEPT AS TO MATTERS RELATING TO THE INTERNAL AFFAIRS OF
THE COMPANY WHICH SHALL BE GOVERNED BY THE DELAWARE GENERAL CORPORATION LAW, THE
VALIDITY, CONSTRUCTION AND EFFECT OF THIS AMENDED PLAN AND ANY RULES AND
REGULATIONS RELATING TO THIS AMENDED PLAN SHALL BE DETERMINED IN ACCORDANCE WITH
THE LAWS OF THE STATE OF TEXAS, WITHOUT GIVING EFFECT TO THE CONFLICT OF LAWS
PRINCIPLES THEREOF AND WILL, TO THE MAXIMUM EXTENT PRACTICABLE, BE DEEMED TO
CALL FOR PERFORMANCE IN DALLAS COUNTY, TEXAS.

     8.9 SEVERABILITY. If any provision of this Amended Plan is or becomes or is
deemed to be invalid, illegal or unenforceable in any jurisdiction or as to any
individual Participant, or would disqualify this Amended Plan under any law
deemed applicable by the Board, such provision shall be construed or deemed
amended to conform to applicable law, or if it cannot be construed or deemed
amended without, in the sole determination of the Board, materially altering the
intent of this Amended Plan, such provision shall be stricken as to

Page 11 of 13
<PAGE>

such jurisdiction or Participant and the remainder of this Amended Plan shall
remain in full force and effect.

     8.10 NO LIMITATION UPON THE RIGHTS OF THE COMPANY. This Amended Plan shall
not affect in any way the right or power of the Company to make adjustments,
reclassifications, or changes of its capital or business structure; to merge,
convert or consolidate; to dissolve or liquidate; or sell or transfer all or any
part of its business or assets.

     8.11 NO LIABILITY FOR GOOD FAITH DETERMINATIONS. The members of the Board
shall not be liable for any action, failure to act, omission or determination
taken or made in good faith with respect to this Amended Plan.

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<PAGE>

                                    EXHIBIT A

                             PARTICIPATION AGREEMENT

     You have been designated by the Board of Directors as a Participant in the
WebLink Wireless, Inc. Amended Key Employee Retention Plan (the "Amended Plan")
with the following Retention Percentage and total Base Amount:

     Name of Participant:
                          -----------------------------------------
     Position:
               ----------------------------------------------------
     Annual Rate of Salary:
                            ---------------------------------------
     Target Bonus Percentage Rate:
                                   --------------------------------
     Retention Percentage:
                           ----------------------------------------
     Retention Bonus:
                      ---------------------------------------------
     Number of Months of Payment: 12

     Your participation in the Amended Plan is subject to your (i) execution of
a Release of Claims in form and substance reasonably acceptable to the Company
and (ii) agreement with the express terms and conditions of this Amended Plan.
By signing below, you agree to be bound by the terms and conditions of the
Amended Plan, and represent that you have voluntarily executed the
aforementioned Release of Claims, and received a copy of the Amended Plan. You
further agree and understand that this Amended Plan supersedes the previous Key
Employee Retention Plan you signed on ________________.

     Dated as of                  .
                 -----------------

                                           WEBLINK WIRELESS, INC.

                                       By:
                                           --------------------------------

                                       Title:
                                              -----------------------------

Participant:

-----------------------------------
Signature

-----------------------------------
Printed Name

Page 13 of 13

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