GLOBAL TELECOMMUNICATION SOLUTIONS, INC.
                             10 Stow Road, Suite 200
                           Marlton, New Jersey 080536


                                            As of November 1,1998

Mr. J. Mark Rubenstein
29 Duer  Place
Weehawken, New Jersey 07087

         Re:      Termination of Employment Agreement and Other Matters

Dear Mark:

     This letter,  effective upon your execution and its return, shall set forth
our complete  agreement in connection  with the  termination  (the "Termination
Agreement") of the Employment Agreement between you and Global Telecommunication
Solutions,  Inc. (the "Company"),  dated as of January 31, 1998 (the "Employment
Agreement")  and such  other  matters  as set  forth  herein.  This  Termination
Agreement, when countersigned by you, terminates the Employment Agreement.

1.   Except as otherwise  provided  herein,  the Employment  Agreement is hereby
     terminated and of no further force or effect.

2.   Subject to the terms and conditions contained herein, the Company shall pay
     you  $175,000  as a  severance  payment  in  lieu of the  remaining  salary
     payments due under Section 2.1 of the Employment  Agreement (the "Severance
     Payments").  The  Severance  Payments  shall  be  paid in  equal  bi-weekly
     installments  commencing  with the first  payroll date (under the Company's
     normal  payroll  schedule)  following  November 4, 1998 and ending with the
     first payroll date after January 31, 2000 (the "Termination  Date").  After
     the date  hereof and to the  extent  available  to you at law,  you will be
     eligible to participate  in the Company's  health  insurance  plans through
     COBRA.

3.   (a) The  Company's  failure to make any  Severance  Payment  when due shall
     constitute  a breach  hereof  and  shall  cause:  (i) the  acceleration  of
     Company's payment  obligation such that the total outstanding amount due in
     severance  becomes due immediately;  and (ii) the immediate and irrevocable
     termination of all limitations on Employee's  right to be involved  (either
     as  an  owner,   employee,   consultant   or   otherwise)  in  the  in  the
     telecommunications  industry,  including without limitation, all aspects of
     the "Restrictive Covenant" set forth in Section 6.2 of the Merger Agreement
     as amended on even date with this Termination  Agreement (the  "Restrictive
     Covenant").  Notwithstanding  the foregoing,  the Company's failure to make
     any  Severance  Payment when due shall not  constitute a breach  hereof and
     provide you with the  remedies  contained  in (i) or (ii) above  unless you
     shall have given written notice to the Company  indicating the  non-payment
     and,  within ten (10) days after such  notice,  the Company  shall not have
     paid the Severance Payment.

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     (b) In the event you breach (i) the Restrictive  Covenant or (ii) any other
     provision of this Termination Agreement,  then such action shall constitute
     a breach  hereof and the  Company  shall have the right to  terminate  this
     Termination Agreement. In the event the company terminates this Termination
     Agreement  as  provided in this  Section  3(b),  the Company  shall have no
     further  obligation to make any Severance  Payments.  You  acknowledge  and
     agree that the termination of this Termination Agreement under this Section
     3 shall not affect your  obligations  under the Restrictive  Covenant which
     shall  remain  in full  force  and  effect in  accordance  with its  terms.
     Notwithstanding  the  foregoing,  the  Company  shall not have the right to
     terminate this Agreement unless the Company shall have given written notice
     to you, signed by an officer of the Company, specifying the act(s) that the
     Company  allege  constitute  a breach with  reasonable  particularity  and,
     within  ten (10) days  after  such  notice,  you  shall  not have  cured or
     eliminated the alleged breach.


4.   You  agree  to  (i)  subject  to  your  employment,  business  or  personal
     obligations,  assist the Company as reasonably  necessary in its defense or
     prosecution  of  litigation  currently  existing or commenced in the future
     arising out of matters  transacted  while you were  employed by the Company
     and in which you were involved;  (ii) subject to your employment,  business
     or personal obligations, make yourself reasonably available for information
     requests and  consultation  regarding  business affairs and transactions of
     the Company  occurring or commenced  during your employment by the Company;
     provided,  however,  you shall not be  obligated  to (a) devote more than 8
     hours per week to such  consultation  until  December 31, 1998 and one hour
     per week  thereafter  until March 31, 1998 (at which point such  obligation
     shall  cease)  and  (b)  travel  outside  of the  state  of New  Jersey  in
     connection with such consultation;  and (iii) within 30 days after the date
     of this Termination  Agreement,  use your best efforts to ensure an orderly
     transition  and to provide the Company with  assistance  in those  projects
     that you are managing as of the date  hereof.  No  additional  compensation
     shall  be  payable  to  you  for  any  such   assistance,   information  or
     consultation;  provided,  however, the Company shall pay any reasonable out
     of pocket costs to be incurred by you in fulfilling your obligations  under
     this Paragraph 4.

5.   (a) The Company  agrees to indemnify and hold you harmless from and against
     any and all  claims,  liabilities,  losses,  damages,  costs and  expenses,
     including reasonable counsel fees and disbursements  (singularly, a "Loss,"
     and collectively,  the "Losses"),  arising out of or relating to actions or
     claims  brought  against you  individually  after the  termination  of your
     employment  with  the  Company  in  connection  with the  operation  of the
     Company's business.  Notwithstanding the foregoing,  the Company shall have
     no obligation to indemnify you in connection with any Loss arising from (i)
     your  willful  misconduct  or  (ii)  dishonest  actions  performed  in your
     dealings  with,  on  behalf  of, or in  connection  with the  Company,  its
     customers,  suppliers,  vendors and any other person ("dishonest" for these
     purposes  shall  mean your  knowingly  or  recklessly  making of a material
     misstatement or omission for your personal benefit).

 

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     (b) You agree to indemnify and hold harmless the Company,  any Affiliate of
     the Company,  and the  directors,  officers and employees of the Company or
     any of its  Affiliates  from and against  any and all claims,  liabilities,
     losses, damages, costs and expenses,  including reasonable counsel fees and
     disbursements  (singularly,  a "Loss,"  and  collectively,  the  "Losses"),
     arising  out of or  relating  to (i) your  willful  misconduct  or (ii) any
     dishonest  actions  performed in your  dealings  with,  on behalf of, or in
     connection  with the Company,  its  customers,  suppliers,  vendors and any
     other person  ("dishonest"  for these purposes shall mean your knowingly or
     recklessly making of a material  misstatement or omission for your personal
     benefit).

6.   In consideration of the Severance Payments, the Company's release hereunder
     and  the   termination   of  the   Employment   Agreement   and  the  other
     considerations   herein,   you  and   each  of   your   heirs,   executors,
     administrators,  successors,  personal representatives or assigns do hereby
     waive, release,  remise,  acquit, satisfy and forever discharge the Company
     and any and all affiliates or related  corporations and their shareholders,
     parents,  subsidiaries,   affiliates,  successors  or  assigns,  and  their
     attorneys, officers,  shareholders,  directors, agents and employees, past,
     present or future, and their heirs, executors, administrators,  successors,
     personal representatives or assigns (hereafter collectively referred to as,
     the "Company Second Party"), of and from any claim and all manner of action
     and  actions,  cause  and  causes of  action,  suits,  debts,  obligations,
     liabilities,  dues,  sums of money,  accounts,  reckonings,  bonds,  bills,
     specialties,  covenants, contracts,  controversies,  agreements,  promises,
     variances,   trespasses,   damages,  judgments,   executions,   claims  for
     negligence,  damages and demands  whatsoever,  whether  arising out of your
     employment  with  the  Company,  the  Merger  Agreement,   the  $1  million
     Promissory  Note entered into as of February 1, 1998 or otherwise,  in law,
     or in equity, arising under contract or otherwise,  or arising under local,
     state or federal law or otherwise, including, but not limited to any local,
     state or federal  employment  discrimination  laws, which you ever had, now
     have, or which you or your heirs,  executors,  administrators,  successors,
     personal  representatives  or  assigns  hereafter  can,  shall  or may have
     against the Company or any Company Second Party, known,  unknown,  foreseen
     or  unforeseen  from the  beginning of the world to the date of this letter
     agreement; provided, however, that the foregoing waiver and general release
     shall not apply to your right to enforce (i) this Termination  Agreement or
     (ii) that certain  letter  agreement  between you and the Company  dated of
     even date herewith (the "Letter Agreement") or (iii) that certain Amendment
     to the  Merger  And  Reorganization  Agreement  entered  into  between  the
     Company, you, Centerpiece Communications, Inc. and CCI Acquisition Corp. of
     even  date  herewith  (the  "Merger   Amendment").   Without  limiting  the
     generality  of  the  foregoing  or  GTS'  indemnification   hereunder,  you
     specifically  waive any claim,  demand, or action alleging or based upon an
     assertion that (1) the Employment Agreement, or (2) the Merger Agreement or
     (3) the Promissory  Note in the principal  amount of $1 million dated as of
     February 1, 1998 executed by GTS in connection  with the Merger  Agreement,
     have been breached by the Company in any manner whatsoever.
 
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7.   In consideration  of you entering into this Termination  Agreement and your
     general  release and waiver in  Paragraph 6 above,  the Company and any and
     all affiliates or related corporations and their successors and assigns, do
     hereby waive, release,  remise,  acquit, satisfy and forever discharge you,
     your heirs, executors, administrators, successors, personal representatives
     and assigns, their attorneys, past, present or future (hereinafter referred
     to  collectively  as "Your  Second  Party")  of and from any  claim and all
     manner of action and  actions,  cause and causes of action,  suits,  debts,
     obligations, liabilities, dues, sums of money, accounts, reckonings, bonds,
     bills,  specialties,  covenants,  contracts,   controversies,   agreements,
     promises, variances, trespasses, damages, judgments, executions, claims for
     negligence,  damages and demands  whatsoever,  whether  arising  under your
     employment  relationship with the Company, the Merger Agreement (including,
     without   limitation,    all   liability   arising   out   of   Centerpiece
     Communications,  Inc.'s or the Company's  relationship with Access Telecom,
     Inc.) or  otherwise,  in law,  or in  equity,  arising  under  contract  or
     otherwise, or arising under local, state or federal law or otherwise, which
     the  Company  ever  had,  now has,  or which  it or its  heirs,  executors,
     administrators,  successors,  personal representatives or assigns hereafter
     can,  shall or may have  against  you or any of Your Second  Party,  known,
     unknown, foreseen or unforeseen from the beginning of the world to the date
     of this letter  agreement;  provided,  however,  that the foregoing release
     shall not apply to the  Company's  right to  enforce  (i) this  Termination
     Agreement  or (ii) the  Letter  Agreement  or (iii) the  Merger  Amendment.
     Without  limiting the  generality of the foregoing or your  indemnification
     hereunder,  the Company  specifically  waives any claim,  demand, or action
     alleging or based upon an assertion  that (1) the  Employment  Agreement or
     (2) the Merger Agreement has been breached by you in any manner whatsoever.

8.   In executing  this letter,  you affirm that (i) you are  competent and that
     you  understand  and accept the nature,  terms and scope of this letter and
     the agreements  contained herein,  (ii) this letter constitutes your valid,
     binding and  enforceable  obligation,  enforceable  in accordance  with its
     terms,  (iii) this letter states the entire  agreement  between you and the
     Company with respect to the subject  matter  hereof,  (iv) you  acknowledge
     that by signing your name below you have read,  understand  and accept each
     of the terms of this letter,  and that you have had sufficient  opportunity
     to review it, to consult  with an attorney or other  advisor,  and that you
     are entering into it freely and knowingly.

9.   In  executing  this  letter,  The  Company  affirms  that (i)  this  letter
     constitutes the valid,  binding and enforceable  obligation of the Company,
     enforceable in accordance  with its terms,  and (ii) this letter states the
     entire  agreement  between you and the Company  with respect to the subject
     matter hereof.

10.  Notwithstanding  anything  contained  herein,  Sections 4, 5, and 6 (except
     Section 6.6 thereof) of the Employment Agreement are incorporated into this
     Termination   Agreement  as  if  included  herein  and  shall  survive  the
     termination of the Employment Agreement.

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<PAGE>

11.  In the event of a Change in Control, Executive shall be entitled to receive
     all payments  set forth in Section 2 of this  Termination  Agreement,  in a
     single  lump sum payment  within  seven (7) days of such Change in Control.
     For purposes of this  Termination  Agreement,  a "Change in Control"  shall
     have occurred if (i) the Company,  as a going concern, is sold or otherwise
     acquired, (ii) any party or group of parties not owning more than 5% of the
     outstanding  voting  securities  of the  Company  acquires  in one or  more
     transactions  beneficial  ownership of more than 40% of such  securities or
     (iii) Randy  Cherkas is no longer  employed by the Company as an  Executive
     Officer.
 
12.  In the event of any  controversy  or claim  arising from or related to this
     Agreement,  its performance or interpretation,  the parties, in good faith,
     initially  will attempt to resolve the dispute  among  themselves.  Failing
     such  resolution,  the  parties  mutually  agree to  submit  the  matter to
     arbitration before the American Arbitration  Association ("AAA"),  pursuant
     to its  Commercial  Arbitration  Rules,  at the AAA office in New York, New
     York or as  otherwise  agreed.  The  parties  agree  to  request  that  the
     arbitration  hearing  be held  within  one  hundred  twenty  (120)  days of
     submission.  The laws of the State of New York shall  apply to all  matters
     considered in the  arbitration.  The party  prevailing  in the  arbitration
     shall be  entitled  to recover  all costs  reasonably  incurred,  including
     reasonable attorneys' fees, from the other party.

     If this letter  accurately sets forth our  understanding and agreement with
respect to the  termination  of the  Employment  Agreement and other matters set
forth  herein,  please  indicate  by  signing  in the space  provided  below and
returning this letter agreement to me.


                                  Very truly yours,

                                  Global Telecommunication Solutions, Inc.

                                       /s/ Randy Cherkas
                                  By:______________________________
                                          Randy Cherkas
                                          President
Accepted and agreed as of the 1st
day of November, 1998:

/s/ J. Mark Rubenstein
___________________________
J. Mark Rubenstein



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