Document:

Exhibit 10.5

                             TTR TECHNOLOGIES, INC.

                                                Effective as of April 17, 2002

Mr. Matthew Cohen
___[address]________

____________________

Dear Matt:

            This letter will confirm that effective June 17, 2002 (the
"Effective Date") your employment with TTR TECHNOLOGIES, INC. (the "Company")
and all subsidiaries of the Company will be terminated and you will no longer be
an officer of the Company and its subsidiaries. In consideration of such
employment termination, the Company has agreed to provide you with the severance
benefits set forth in this letter agreement and you have agreed to the covenants
contained herein. Except as set forth in paragraph 2 below, until the Effective
Date you shall continue to perform your duties pursuant to the employment
agreement between you and the Company dated as of June 1, 2001 (the "Employment
Agreement").

1. Termination Payments

      (a) The Company shall pay to you your current base salary of $180,000 per
annum until May 17, 2002. In addition, on May 17, 2002 the Company shall make a
lump sum payment to you of $95,000 in lieu of any other salary, bonuses or any
other amounts otherwise payable under the Employment Agreement. All payments
under this Section 1 shall be subject to all applicable federal, state and local
withholding taxes. You will not be entitled to any bonus payments or other
benefits after May 17, 2002.

         (b) In the event that the Company fails to make any payments required
under this letter agreement, you will be released from all covenants and
obligations under this agreement (other than the obligations pursuant to Section
3(a)1 hereunder and under Article VIII of your Employment Agreement
(confidentiality)); provided however that you must first give the

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Company notice of the failure of payment and the Company shall have 15 business
days from the receipt of such notice to cure such failure.

2. Transition Agreements

            Notwithstanding the foregoing, for the one (1) month period
immediately preceding the Effective Date you shall only be required to be
available on a reasonable basis for consultation with the Company and its
officers and employees. Such consultation shall include, but not be limited to
(I) your helping in the preparation and filing with the Securities and Exchange
Commission of the Company's Quarterly Report on Form 10-Q, (II) your assistance
in the Company's subsidiary Comsign's negotiations with Verisign and (III) your
cooperating in the transition of your duties and responsibilities to Sam Brill
and other officers of the Company. You will not be responsible for any analysis
or opinion with respect to any fundraising activities. Subject to your
consulting obligations hereunder, you will not make any decisions during this
period that will have a material impact on the Company or its subsidiaries. In
addition, from the date hereof until May 17, 2002, you shall devote your full
business time and efforts to performing your duties under the Employment
Agreement; provided, however, that during such period you may attend such job
interviews during normal business hours as are approved by another executive
officer of the Company.

3. Restrictive Covenants

      (a) Confidentiality; Non-Compete.

            You acknowledge and agree that the terms and provisions of 1.
Article VIII (confidentiality) and 2. Article IX (Non-compete) in your
Employment Agreement will remain in full force and effect after the Effective
Date and are not terminated or released hereby.

      (b) Non-Disparagement; Information regarding your status at the Company.

            You hereby agree not to comment adversely or make disparaging
remarks concerning the Company or its officers, directors or stockholders, and
the Company agrees not to comment adversely or make disparaging remarks
concerning you or your employment with the Company. Nothing in this agreement or
the Employment Agreement, shall be interpreted as affecting your obligations to
comply with the specific terms of any valid and effective subpoena, oral
questions, interrogatories, requests for information, civil investigative demand
or order issued by a court of competent jurisdiction or by a governmental body,
nor shall any remarks made as a part of any such obligations in any such legal
proceedings be cause to change your rights under this letter agreement or the
Employment Agreement; provided however, that you agree not to initiate any legal
proceedings or inquiries reasonably expected to lead to such legal proceedings.
You will inform the Company in writing within 24 hours of receiving any notice
regarding legal proceedings relating to the Company.

      (c) Acknowledgments Respecting Confidentiality, Non-Disparagement and
Non-Compete Covenants

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            (i) With respect to the covenants made by you and set forth in this
Section 3 and in Articles VIII and IX of the Employment Agreement (individually
a "Covenant" or collectively the "Covenants"), you acknowledge and agree that
any breach of the Covenants contained in this Section 3 would irreparably injure
the Company, and it is impossible to measure in money the damages that will
accrue to the Company. In the event that you materially breach any Covenant
hereunder, in addition to any other relief to which the Company may be entitled
at law or at equity, the Company will be entitled to a preliminary and permanent
injunction restraining you from violating any such Covenant without the
necessity of posting any bond or undertaking. If the Company shall institute any
action or proceeding to enforce any Covenant, you hereby waive the claim or
defense that the Company has an adequate remedy at law and you agree not to
assert in any such action or proceeding the claim or defense that the Company
has an adequate remedy at law.

            (ii) With respect to the covenants made by the Company and set forth
in this Section 3 (individually a "Covenant" or collectively the "Covenants"),
the Company acknowledges and agrees that any breach of the Covenants contained
in this Section 3 would irreparably injure you, and it is impossible to measure
in money the damages that will accrue to you. In the event that the Company
materially breaches any Covenant hereunder, in addition to any other relief to
which you may be entitled at law or at equity, you will be entitled to a
preliminary and permanent injunction restraining the Company from violating any
such Covenant without the necessity of posting any bond or undertaking. If you
shall institute any action or proceeding to enforce any Covenant, the Company
hereby waives the claim or defense that you have an adequate remedy at law and
the Company agrees not to assert in any such action or proceeding the claim or
defense that you have an adequate remedy at law.

4. General Release and Waiver

      (a) You, your heirs, successors and assigns, hereby, effective upon the
Effective Date, release, remise, acquit and discharge the Company and its
subsidiaries, directors, officers, stockholders, creditors, agents, employees,
consultants, attorneys, advisers, successors and assigns, jointly and severally,
from any and all claims, known or unknown, suspected or unsuspected, at law or
in equity, which you, your heirs, successors, or assigns have or may have
against any of such parties and any and all liability which any of such parties
may have to you whether denominated claims, demands, causes, causes of action,
obligations, costs, damages or liabilities arising from and during your
relationship with the Company or any of its subsidiaries or as a result of the
termination of such relationship, including but not limited to claims related to
or arising under the Employment Agreement, claims under the Civil Rights Act of
1866, as amended, 42 U.S.C. S.1981 et. Seq.; the Civil Rights Act of 1991, as
amended, 42 U.S.C. Section 1981a; Title VII of the United States Civil Rights
Act of 1964, as amended, 42 U.S.C. S 2000e et. Seq.; the Equal Pay Act of 1963,
29 U.S.C. S 206; the Age Discrimination in Employment Act, as amended, 29 U.S.C.
S 621 et. seq.; the Americans with Disabilities Act of 1990, 42 U.S.C. S 12101
et. seq.; the Family and Medical Leave Act of 1993, 29 U.S.C. S 2601 et. seq.;
the Employee Retirement Income Security Act of 1974, as amended, or any other
federal, New York or other state or local law concerning wages, employment and
discharge, and any other law, rule, or regulation or workers' compensation or
disability claim under any such

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laws. You agree not to file or permit to be filed on your behalf any release
claim. Notwithstanding any other provision of this Letter Agreement, this
release is not intended to interfere with your right to file a charge with the
U.S. Equal Employment Opportunity Commission in connection with any claim you
believe you may have against the Company. However, by signing and returning the
acknowledgment copy of this Letter Agreement, you agree to waive the right to
recover damages in any proceeding you may bring before the U.S. Equal Employment
Opportunity Commission or in any proceeding brought by the U.S. Equal Employment
Opportunity Commission on your behalf. This release shall not apply to the
obligations set forth in this Letter Agreement or any other claims that may
arise after the Effective Date.

      (b) The Company and its subsidiaries hereby, effective upon the Effective
Date, release, remise, acquit and discharge you and your heirs, successors and
assigns, attorneys and advisors, jointly and severally, from any and all claims,
known or unknown, suspected or unsuspected, at law or in equity, which it may
have against you, whether denominated claims, demands, causes, causes of action,
obligations, costs, damages or liabilities arising from and during your
relationship with the Company or any of its subsidiaries or as a result of the
termination of such relationship, including, without limitation, all claims
related to, arising under or out of the Employment Agreement. Each of the
covenantors of this subsection 4 (b) agrees not to file or permit to be filed on
its behalf any such released claim. This release shall not apply to the
obligations set forth in this Letter Agreement or any other claims that may
arise after the Effective Date.

      (c) The parties agree that the releases set forth in this Paragraph 4 do
not include any claims, demands, causes, causes of action, obligations, costs,
damages or liabilities arising from or under any indemnification provisions set
forth in the Certificate of Incorporation and Bylaws, as amended, of the Company
and any of its subsidiaries or any separate indemnity agreement to which you and
the Company and/or one or more of its subsidiaries is a party.

      (d) The parties hereto expressly acknowledge that their respective mutual
releases hereunder constitute adequate consideration therefor. Except with
respect to the obligations created by or arising out of this Letter Agreement or
as otherwise expressly provided herein, this Letter Agreement shall be effective
as a full and final accord and satisfaction and mutual general release of all
claims released pursuant to Paragraphs 4(a) and 4(b) above (the "Released
Claims").

5. Return of Company Property. You covenant and agree that on or before the
Effective Date you will return to the Company all of the Company's documents
held by you as well as keys, security cards and office and computer equipment.
The Company acknowledges that your credit card has been cancelled, destroyed and
returned to the Company. You covenant and agree that on or before the Effective
Date you will cancel your Company telephone account with Net2Phone.

Directors and Officers Insurance. You are entitled to coverage under the
Company's Directors and Officers Insurance policy in effect on the date hereof,
to the extent it is applicable to you.

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6. Heirs and Assigns

      (a) This Letter Agreement is personal to you and, without the prior
written consent of the Company, shall not be assignable by you other than by
will or the laws of descent and distribution.

      (b) The terms of this Letter Agreement shall inure to the benefit of and
shall be binding on the Company and its respective successors and assigns.

7. General Provisions

      (a) This Letter Agreement constitutes the entire understanding of the
Company and you with respect to the subject matter hereof, and supersedes all
prior understandings, written or oral, including, without limitation, the
Employment Agreement, other than (i) the provisions of Articles VIII and IX of
the Employment Agreement and (ii) any indemnification provisions in the
Certificate of Incorporation of the Company or any of its subsidiaries and any
separate indemnity agreements. The terms of this Letter Agreement may be
changed, modified or discharged only by an instrument in writing signed by the
parties hereto. A failure of a party to insist on strict compliance with any
provision of this Letter Agreement shall not be deemed a waiver of such
provision or any other provision hereof. The invalidity or unenforceability of
any provision of this Letter Agreement shall in no way affect the validity or
enforceability of any other provision. In the event that any provision of this
Letter Agreement is determined to be so broad as to be unenforceable, such
provision shall be interpreted to be only so broad as is enforceable.

      (b) Each party hereto hereby represents that such party has reviewed all
aspects of this Letter Agreement, that each party has carefully read and
understand all of the provisions of this Letter Agreement, that such party
understands that in agreeing to this document, it is releasing certain other
parties as provided above, with prejudice, from any and all Released Claims it
may have against such released party, that such party voluntarily agrees to all
the terms set forth in this Letter Agreement, and that such party knowingly and
willingly intends to be legally bound by those terms. Each party further
acknowledges that such party has or has had the opportunity to review it with an
attorney.

      (c) This Letter Agreement shall be construed, enforced and interpreted in
accordance with and governed by the laws of the State of Delaware without
reference to the principles of conflicts of law. Any controversy arising out of
this Letter Agreement shall be adjudicated in a Federal court or State court
located in New York, NY and no party hereto shall allege that any such action is
conducted in an inconvenient forum. The parties hereby expressly submit to the
jurisdiction of such courts for the purpose of enforcing such Letter Agreement.

            Upon your signature and return of this Letter Agreement, this Letter
Agreement will be effective, enforceable and irrevocable.

                                               Sincerely,

                                               TTR TECHNOLOGIES, INC.

                                               By: /s/ Sam Brill
                                                  ------------------------------
                                                  Name: Sam Brill
                                                  Title: Chief Operating Officer

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Agreed to and Accepted
as of the date first above-written:

/s/ Matthew L. Cohen
-----------------------------------
Matthew L. Cohen

                                       6Exhibit 10.6

                             TTR TECHNOLOGIES, INC.

                                                Effective as of June 10, 2002

Mr. Matthew Cohen
___[address]________

____________________

Dear Matt:

            Reference is made to the letter agreement between us dated as of
April 17, 2002 (the "Letter Agreement") regarding the termination of your
employment with TTR Technologies, Inc. (the "Company"). Capitalized terms used
herein and not defined herein shall have the meaning set forth in the Letter
Agreement. In consideration of the services and duties under the Letter
Agreement not having been completed prior to the date hereof, we have agreed to
extend your period of employment as set forth herein and agreed that this letter
(the "Amendment") shall constitute an amendment to the Letter Agreement.

8. Amendment. The definition of Effective Date in the Letter Agreement is hereby
amended to mean July 5, 2002.

9. General Provisions

      (a) The terms of this Amendment may be changed, modified or discharged
only by an instrument in writing signed by the parties hereto. This Amendment
may be executed in counterparts. As amended hereby, the Letter Agreement remains
in full force and effect.

      (b) This Amendment shall be construed, enforced and interpreted in
accordance with and governed by the laws of the State of Delaware without
reference to the principles of conflicts of law. Any controversy arising out of
this Amendment shall be adjudicated in a Federal court or State court located in
New York, NY and no party hereto shall allege that any such action is conducted
in an inconvenient forum. The parties hereby expressly submit to the
jurisdiction of such courts for the purpose of enforcing such Amendment.

            Upon your signature and return of this Amendment, this Amendment
will be effective, enforceable and irrevocable.

                                         Sincerely,

                                         TTR TECHNOLOGIES, INC.

                                         By: /s/ Sam Brill
                                            -----------------------------------
                                            Name: Sam Brill
                                            Title: Chief Operating Officer

<PAGE>

Agreed to and Accepted as of the date first above-written:

/s/ Matthew L. Cohen
---------------------------
Matthew L. Cohen

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