Document:

EXHIBIT 4.2

                                   Dtomi, Inc.
                          601 Union Street, Suite 4500
                            Seattle, Washington 98101

                                 August 25, 2005

David M. Otto
The Otto Law Group, PLLC
601 Union Street, Suite 4500
Seattle, Washington 98101

      Re:  Amendment to Engagement Agreement for Payment of Fees

Dear David:

            This letter agreement memorializes the agreement by and among Dtomi,
Inc., a Nevada corporation (the "Company"), The Otto Law Group, PLLC ("OLG"),
and David M. Otto ("Otto"), to amend that certain engagement agreement dated
October 21, 2001 by and between OLG the Company (the "OLG Engagement
Agreement").

            Not later than the fifth day of September 2005, and not later than
the fifth day of each calendar month thereafter, if Otto holds less than 4.9% of
the issued and outstanding shares of common stock of the Company or less than
4.9% of other equity securities of the Company, the Company shall issue to Otto
that number of shares of common stock and other equity securities of the
Company, if any, so that Otto shall hold that number of shares of common stock
of the Company equal to four-and-nine-tenths percent (4.9%) of the issued and
outstanding shares of common stock and four-and-nine-tenths percent (4.9%) of
any other issued and outstanding equity securities, if any, of the Company, at
the time of such issuance. Not later than 30 days after each such issuance,
Dtomi shall register such shares under Section 5 of the Securities Act of 1933,
as amended (the "Securities Act"), on Form S-8, and if necessary, also register
such shares for resale under a reoffer prospectus on Form S-8 or other
registration statement.

            OLG shall to credit the Company, against future fees owed by the
Company to OLG pursuant to the OLG Engagement Agreement, the proceeds of the
sale of any of shares of common stock issued pursuant to this letter agreement.
Prior to any annual audit or quarterly review of the Company by the Company's
independent registered public accounting firm or other auditors, but at periods
not exceeding three months beginning on the date of this letter, OLG shall
disclose to the Company the amount of proceeds resulting from the sale of any or
all of the Shares and statements from OLG and/or OLG's broker disclosing the
proceeds resulting from the sale of Shares.

            If you agree to the terms and conditions of this letter agreement,
please indicate your agreement by signing in the OLG signature block, and the
Otto signature block, below and returning an original, signed version of this
letter to me.

            I understand that OLG and Otto have agreed to the arrangement
described in this letter, and that you are the sole holder of securities of OLG
and the natural person that has performed, and will perform, substantially all
of the services provided by OLG on behalf of the Company pursuant to the OLG
Engagement Agreement.

                Sincerely,

                Robert Koch
                -----------
                Robert Koch
                Director

<PAGE>

AGREED AND ACCEPTED:

THE OTTO LAW GROUP, PLLC

By:  David M. Otto                                       Dated:  August 25, 2005
     ----------------------------------------
     Name:  David M. Otto
     Title:  President

By:  David M. Otto                                      Dated:  August 25, 2005
     ----------------------------------------
     David M. Otto, individuallyEXHIBIT 10.1

                              CONSULTING AGREEMENT

This Consulting Agreement (the "Agreement") is made and entered into effective
as of the 6th day of July, 2006 (the "Effective Date"), between Vocalscape
Networks, Inc, a Nevada corporation, (the "Company") and Charles van Musscher,
of Robert-Koch-Strasse 16, 82031 Gruenwald, Germany (the "Consultant").

WHEREAS:

A. The Company is a provider of technology and software that enables
communications over the internet as an alternative to traditional
telecommunications called Voice Over Internet Protocol. (VoIP).

B. The Company desires to retain the Consultant to provide consultant services
to the Company on the terms and subject to the conditions of this Agreement.

C. The Consultant has agreed to provide consultant services to the Company on
the terms and subject to the conditions of this Agreement.

THIS AGREEMENT WITNESSES THAT in consideration of the premises and mutual
covenants contained in this Agreement and other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged, the parties,
intending to be legally bound hereby, agree as follows:

1. DEFINITIONS

1.1 The following terms used in this Agreement shall have the meaning specified
below unless the context clearly indicates the contrary:

      (a)   "Consultant Shares" shall mean the shares of the Company's common
            stock issuable to the Consultant pursuant to Section 5.1;

      (b)   "Board" shall mean the Board of Directors of the Company;

      (c)   "Term" shall mean the term of this Agreement beginning on the
            Effective Date and ending on the close of business on the effective
            date of the termination of this Agreement.

2. ENGAGEMENT AS A CONSULTANT

2.1 The Company hereby engages the Consultant as a consultant to provide the
services of the Consultant in accordance with the terms and conditions of this
Agreement and the Consultant hereby accepts such engagement.

3. TERM OF THIS AGREEMENT

3.1 The term of this Agreement shall become effective and begin as of the
Effective Date, and shall continue until the close of business on the date which
is six (6) months from the Effective Date of this Agreement, unless this
Agreement is earlier terminated in accordance with the terms of this Agreement.

4. CONSULTANT SERVICES

4.1 The Consultant agrees to perform the following services and undertake the
following responsibilities and duties to the Company to be provided by the
Consultant to the Company as consulting services (the "Consulting Services"):

      (a)   The Consultant will provide the following business development
            services to the Company:

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            o     The Consultant will assist the Company with the identification
                  of prospective business partners in Germany for the
                  development and expansion of International corporate finance
                  opportunities.

            o     The Consultant will assist the Company at the Company's
                  request with the negotiation and structuring of partnership
                  and joint venture agreements with business partners identified
                  in the Europe for the development and expansion of
                  International corporate finance opportunities.

      (b)   Reporting to the President of Company;

      (c)   Performing such other duties and observing such instructions as may
            be reasonably assigned from time to time by the President of the
            Company, provided such duties are within the scope of the Company's
            business and services to be provided by the Consultant.

4.2 The Consultant shall devote his time, attention and energies to the business
affairs of the Company as may be reasonably necessary for the provision of the
Consulting Services, provided, however, the Consultant may engage in reasonable
investment and other personal activities that do not interfere with the
Consultant's obligations hereunder.

4.3 In providing the Consulting Services, the Consultant will:

      (a)   comply with all applicable federal, state, local and foreign
            statutes, laws and regulations;

      (b)   not make any misrepresentation or omit to state any material fact
            that will result in a misrepresentation regarding the business of
            the Company; and

      (c)   not disclose, release or publish any information regarding the
            Company without the prior written consent of the Company.

4.4 The Consultant will at all times be an independent contractor and the
Consultant will not be deemed to be an employee of the Company.

4.5 The Consulting Services provided under this Agreement shall not include:

      (a)   services in connection with the offer or sale of securities in a
            capital-raising transaction;

      (b)   services that directly or indirectly promote or maintain a market
            for the securities of the Corporation including without limitation
            the dissemination of information that reasonably may be expected to
            sustain or raise or otherwise influence the price of the securities;

      (c)   services providing investor relations or shareholder communications;

      (d)   consultation in connection with financing that involves any issuance
            of the Company's securities, whether equity or debt.

5. CONSULTANT FEE

5.1 Upon the execution of this Agreement and in consideration for the provision
of the Consulting Services, the Company will issue to the Consultant 200,000
common shares of the Company.

The Consultant Shares will be issued pursuant to exemptions from the
registration requirements of the Securities Act of 1933 (the "Act") or pursuant
to an effective registration statement. If issued pursuant to an exemption from
registration, all certificates representing the Consultant Shares will be
endorsed with a legend confirming that the securities have not been registered
and may only be resold pursuant to an effective registration statement under the
Act or pursuant to a further exemption from registration, in the form required
by the Company's legal counsel.

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6. REIMBURSEMENT OF EXPENSES

6.1 The Company will pay to the Consultant the reasonable travel and promotional
expenses and other specific expenses incurred by the Consultant in provision of
the Consulting Services, provided the Consultant has obtained the prior written
approval of the Company.

7. TERMINATION

7.1 The Company may terminate this Agreement at any time upon the occurrence of
any of the following events of default (each an "Event of Default"):

      (a)   the Consultant's commission of an act of fraud, theft or
            embezzlement or other similar willful misconduct;

      (b)   the neglect or breach by the Consultant of his material obligations
            or agreements under this Agreement; or

      (c)   the Consultant's refusal to follow lawful directives of the
            President of the Company,

Provided that notice of the Event of Default has been delivered to the
Consultant and provided the Consultant has failed to remedy the default within
seven days of the date of delivery of notice of the Event of Default, if the
default is of such a nature that it is capable of remedy.

7.2 The Company may at its option terminate this Agreement in the absence of an
Event of Default by delivering notice of termination to the Consultant.

7.3 The Consultant may terminate this Agreement at any time, provided that
thirty days prior written notice of termination has been delivered to the
Company.

7.4 On termination of this Agreement for any reason, all rights and obligations
of each party that are expressly stated to survive termination or continue after
termination will survive termination and continue in full force and effect as
contemplated in this Agreement.

7.5 Upon termination, the Consultant will not be entitled to receive any
additional Consultant Shares, other than those Consultant Shares issuable in
respect of services provided up to the date of termination.

8. PROPRIETARY INFORMATION

8.1 The Consultant will not at any time, whether during or after the termination
of this Agreement for any reason, reveal to any person or entity any of the
trade secrets or confidential information concerning the organization, business
or finances of the Company or of any third party which the Company is under an
obligation to keep confidential, except as may be required in the ordinary
course of performing the Consultant Services to the Company, and the Consultant
shall keep secret such trade secrets and confidential information and shall not
use or attempt to use any such secrets or information in any manner which is
designed to injure or cause loss to the Company. Trade secrets or confidential
information shall include, but not be limited to, the Company's financial
statements and projections, expansion proposals, business plans and details of
its business relationships with banks, lenders and other parties not otherwise
publicly available.

9. RELIEF

9.1 The Consultant hereby expressly acknowledges that any breach or threatened
breach by the Consultant of any of the terms set forth in Section 8 of this
Agreement may result in significant and continuing injury to the Company, the
monetary value of which would be impossible to establish, and any such breach or
threatened breach will provide the Company with any and all rights and remedies
to which it may be entitled under the law, including but not limited to
injunctive relief or other equitable remedies.

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10. INDEMNIFICATION

10.1 The Consultant will indemnify and defend and hold the Company harmless
against any claims, actions, suits, proceedings, investigations, losses,
expenses, demands, obligations, liabilities, judgments, fines, fees, costs and
expenses (including costs and reasonable attorney fees) and any amounts paid in
settlements in any of the foregoing which arise or result from or are related to
any breach or failure of the Consultant to perform any of its covenants and
agreements set forth in this Agreement. The indemnification provisions of this
paragraph shall survive the termination and expiration of this Agreement.

11. PARTIES BENEFITED; ASSIGNMENTS

11.1 This Agreement shall be binding upon, and inure to the benefit of, the
Consultant, his heirs and his personal representative or representatives, and
upon the Company and its successors and assigns. Neither this Agreement nor any
rights or obligations hereunder may be assigned by the Consultant.

12. NOTICES

12.1 Any notice required or permitted by this Agreement shall be in writing,
sent by registered or certified mail, return receipt requested, or by overnight
courier, addressed to the Board and the Company at its then principal office, or
to the Consultant at the address set forth in the preamble, as the case may be,
or to such other address or addresses as any party hereto may from time to time
specify in writing for the purpose in a notice given to the other parties in
compliance with this Section 12. Notices shall be deemed given when delivered.

13. GOVERNING LAW

13.1 This Agreement shall be governed by and construed in accordance with the
laws of the State of New York and each party hereto adjourns to the jurisdiction
of the courts of the State of New York.

14. REPRESENTATIONS AND WARRANTIES

14.1 The Consultant represents and warrants to the Company that (a) the
Consultant is under no contractual or other restriction which is inconsistent
with the execution of this Agreement, the performance of his duties hereunder or
other rights of Company hereunder, and (b) the Consultant is under no physical
or mental disability that would hinder the performance of his duties under this
Agreement.

15. MISCELLANEOUS

15.1 This Agreement contains the entire agreement of the parties relating to the
subject matter hereof.

15.2 This Agreement supersedes any prior written or oral agreements or
understandings between the parties relating to the subject matter hereof.

15.3 No modification or amendment of this Agreement shall be valid unless in
writing and signed by or on behalf of the parties hereto.

15.4 A waiver of the breach of any term or condition of this Agreement shall not
be deemed to constitute a waiver of any subsequent breach of the same or any
other term or condition.

15.5 This Agreement is intended to be performed in accordance with, and only to
the extent permitted by, all applicable laws, ordinances, rules and regulations.
If any provision of this Agreement, or the application thereof to any person or
circumstance, shall, for any reason and to any extent, be held invalid or
unenforceable, such invalidity and unenforceability shall not affect the
remaining provisions hereof and the application of such provisions to other
persons or circumstances, all of which shall be enforced to the greatest extent
permitted by law.

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<PAGE>

15.6 The headings in this Agreement are inserted for convenience of reference
only and shall not be a part of or control or affect the meaning of any
provision hereof.

15.7 The Consultant may assign the benefit of this Agreement to a private
corporation controlled by the Consultant, provided that such assignment will not
relieve the Consultant from his obligations to the Company arising under this
Agreement.

15.8 This Agreement replaces and supersedes all other consultant and employment
agreements between the Company and the Consultant and any amendments hereto.

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<PAGE>

IN WITNESS WHEREOF, the parties have duly executed and delivered this Agreement
as of the date first written above.

VOCALSCAPE NETWORKS, INC.
By its authorized signatory:

 /s/ Robert W. Koch
------------------------------------
Signature of Authorized Signatory

Robert W. Koch
------------------------------------
Name of Authorized Signatory

Chief Executive Officer
------------------------------------
Position of Authorized Signatory

CONSULTANT

/s/ Charles van Musscher

------------------------------------
CHARLES VAN MUSSCHER

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