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EXHIBIT 10.21

DEVELOPMENT AGREEMENT

between

LUCENT TECHNOLOGIES INC.

and

mPHASE TECHNOLOGIES, INC.



Effective as of March 1, 2005

Relating to MEMS-Based Magnetometer Arrays

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DEVELOPMENT AGREEMENT

TABLE OF CONTENTS

ARTICLE I- DEVELOPMENT PROJECT

1.01 Scope of Development Project 
1.02 Cost of Development Project

ARTICLE II- INTELLECTUAL PROPERTY

2.01 Existing Intellectual Property 
2.02 Rights in Developed Information 
2.03 Rights in Inventions 
2.04 Patent Licenses 
2.05 Licenses to Technology 
2.06 Co-Branding 
2.07 No Other Licenses

ARTICLE III - TERM AND TERMINATION

3.01 Termination 
3.02 Survival

ARTICLE IV- PROTECTION OF INFORMATION

4.01 Lucent and Company Confidential Information 
4.02 Joint Information 
4.03 Exceptions to Confidentiality 
4.04 Export Control 
4.05 Restricted Information

ARTICLE V - MISCELLANEOUS PROVISIONS

5.01 Compliance with Rules and Regulations and Indemnification

5.02 Agreement Prevails 
5.03 Accuracy 
5.04 Nothing Construed 
5.05 Disclaimer 
5.06 Addresses 
5.07 Integration 
5.08 Nonassignability 
5.09 Choice of Law 
5.10 Agreement Confidentiality

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

5.11 Dispute Resolution 
5.12 Relationship Between Parties 
5.13 Force Majeure 
5.14 Headings 
5.15 Waiver 
5.16 Severability 
5.17 Execution In Counterparts 
5.18 Payments and Taxes 
5.19 Non-Solicitation

APPENDIX A - DEFINITION 
APPENDIX B1 - STATEMENT OF WORK 
APPENDIX B2 - Cost of Development Project 
APPENDIX B3 - Royalties 
APPENDIX C1 - Lucent Patents and/or Patent Applications 
APPENDIX C2 - mPhase Patents and/or Patent Applications

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

DEVELOPMENT AGREEMENT

THIS DEVELOPMENT AGREEMENT ("Agreement"), effective as of
March 1, 2005 ("Effective Date"), is made by and between Lucent Technologies
Inc., a Delaware corporation, with offices located at 600 Mountain Avenue,
Murray Hill, New Jersey 07974-0636 ("Lucent") and mPhase Technologies Inc., a
New Jersey corporation, with offices located at 587 Connecticut Avenue, Norwalk,
CT 06854 ("Company"). Lucent and Company are sometimes referred to herein
individually as a "Party" and collectively as the "Parties". The Parties agree
as follows:*

ARTICLE I 
DEVELOPMENT PROJECT

1.01 Scope of Development Project

The Parties shall, during the Development
Period, use reasonable efforts to work cooperatively with each other in order to
perform the Development Project described in the Statement of Work in Appendix
B1 pursuant to the schedule contained therein. This initial Statement of Work in
Appendix B1 relates to development of a detailed and comprehensive plan that
would help shape the technical direction of one or more subsequent SOWs to
develop the Licensed Product. Subsequent SOWs may cover one or more of the
following:

> Research and development, consisting of design, modeling, and testing of a
>   MEMS-based magnetometer concept.

Research and Development of the associated electronics,
  choice of magnetic and semiconductor materials.

Research and Development of the fabrication methods
  including packaging of a MEMS-based magnetometer.

Formulation of an initial manufacturing plan for a MEMS-based
  magnetometer.

_______________________
* Any term in capital letters which is defined in Appendix A - Definitions shall
have the meaning specified therein.

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

During the course of the Development Project,
it is anticipated that Developed Information will be produced by the Parties.
Developed Information may include Technical Information, Hardware and/or
Software. Representatives for Lucent and Company shall meet as needed, either in
person or by telephone, to evaluate and discuss the progress of the Development
Project. The parties may, from time to time, agree upon additional statements of
work that will likewise be appended to and become a part of this Agreement.

Such Statements of Work may be executed on
behalf of Company only by the EVP Research and Development or a delegated
representative appointed by the CEO of mPhase, and on behalf of Lucent only by
the President of the New Jersey Nanotechnology Consortium. Each Statement of
Work will be governed by and construed in accordance with the terms and
conditions of this Agreement, but to the extent there is any inconsistency
between the terms and conditions of a Statement of Work and those of this
Agreement, the terms and conditions of the Statement of Work shall take
precedence and control the rights and obligations of the Parties.
Notwithstanding the foregoing, to the extent that any intellectual property
terms and conditions of this Agreement are to be modified or superseded by the
terms and conditions of a Statement of Work, such intellectual property terms
shall be specifically identified in the Statement of Work and must be executed
on behalf of Lucent only by the President - Intellectual Property Business and
on behalf of Company by , the EVP Research and Development or a delegated
representative appointed by the CEO of mPhase. For convenience, the Parties
agree that Statements of Work will contain information relating to the duration,
scope and deliverables for each Development Project, the number of personnel and
the responsibilities of each Party.

1.02 Cost of Development Project

The cost of the Development Project to be paid by Company to
Lucent are set forth in Appendix B2.

ARTICLE II

INTELLECTUAL PROPERTY

2.01 Existing Intellectual Property

Except as provided in Sections 2.04 and 2.05
below, all right, title and interest in and to inventions, patents, works of
authorship, trade secrets, know-how or any other intellectual property existing
prior to the Effective Date of this Agreement shall remain vested in the Party
which owns it immediately prior to the Effective Date.

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

2.02 Rights in Developed Information

(a) Except as specifically provided otherwise
in this Agreement, all works of authorship, trade secrets, know-how or any other
intellectual property first created and reduced to tangible, recordable or
permanent form, solely by employees, contractors, consultants or agents of one
Party during the Development Period and as a direct result of work performed
under this Agreement, shall be termed "Developed Information" and shall be owned
solely by that Party.

(b) Except as specifically provided otherwise
in this Agreement, all Developed Information created jointly by one or more
employees, contractors, consultants or agents of one Party working in
conjunction with one or more employees, contractors, consultants or agents of
the other Party during the Development Period, and as a direct result of work
performed under this Agreement, shall be owned jointly by both Parties. Subject
to the provisions of Sections 4.01 and 4.02, each Party shall have the right to
grant nonexclusive licenses under jointly owned Developed Information, and each
Party hereby consents to the granting of such licenses by the other Party.
Royalties that each Party receives for granting licenses under jointly owned
Developed Information shall be subject to the provisions of Appendix B3.

(c) Notwithstanding Sections 2.02(a) and 2.02
(b), Developed Information shall not include (a) the portion of Lucent
Information that is defined in Section 2.01 above or (b) the portion of Company
Information that is defined in Section 2.01 above.

(d) Nothing contained in this Agreement shall
preclude either party from including Developed Information in a patent
application for a sole invention as described in Section 2.03(a) or for a joint
invention as described in Section 2.03(b).

2.03 Rights in Inventions

(a) Sole Inventions

(i) All right, title and interest in and to
inventions created solely by a Party during the Development Period and arising
out of the Development Project, which inventions are not made jointly with
employees, contractors, consultants or agents of the other Party, shall remain
vested in the Party which created it.

(ii) Either Party may file patent applications
for its sole inventions, but neither Party shall be required to file such patent
applications, secure any patent or maintain any patent.

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

(b) Joint Inventions

> (i) For purposes of this Agreement, a Joint
>   Invention shall mean any invention made by one or more of Lucent's employees,
>   contractors, consultants or agents working on the Development Project jointly
>   with one or more of Company's employees, contractors, consultants or agents,
>   which Joint Invention is first conceived or first actually reduced to practice
>   during the Development Project.
>   (ii) The following provisions shall apply only with respect
>   to any Joint Invention:
>   (A) Lucent shall have the first right to
>     file a patent application in the United States on such Joint Invention and
>     it shall notify Company whether it elects to file such application either
>     before or at the time the development project is complete.
>     (B) Company shall have the right to file a
>     patent application in the United States on such Joint Invention in any case
>     in which Lucent does not elect to file pursuant to Section 2.05(ii)(A)
>     hereof.
>     (C) The Party that elects to file a patent
>     application on such Joint Invention in the United States shall have the
>     first right of election to file a corresponding patent application in each
>     foreign country or, where applicable, community of countries. Such Party
>     shall notify the other Party of those foreign countries, if any, in which it
>     elects to file such patent applications. The other Party shall have the
>     right to file patent applications on such Joint Inventions in all other
>     foreign countries.
>     (D) The expenses for preparing, filing and
>     prosecuting each application, and for issue of the respective patents, shall
>     be borne by the Party which prepares and files the application, except that
>     expenses associated with official patent office fees, taxes, annuities and
>     translation costs, if applicable, shall be equally divided between Lucent
>     and Company, and paid as specified in Section 2.03(b)(ii)(E). The other
>     Party shall have the right to review and comment on each such application
>     prior to its filing, and shall furnish the filing Party with all documents,
>     information, or other assistance that may be necessary for the preparation,
>     filing and prosecution of each such application.
>     (E) In the case of an application for
>     patent that is filed in a country that requires the translation of the
>     application or payment of taxes, maintenance fees or annuities on a pending
>     application or on an issued patent, the Party that files the application
>     shall pay such

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

> taxes, maintenance fees or annuities on
>     the pending application or the issued patent and shall invoice the other
>     Party for one-half (1/2) of all such expenses, which shall be payable by the
>     other Party within thirty (30) days of the invoice.
>     (F) In the event that a Party does not
>     wish to pay its share of expenses associated with a patent application or an
>     issued patent in any country as specified in Section 2.03(b)(ii)(D), such
>     Party shall notify the other Party in writing of its refusal to share in
>     such expenses, and shall assign all its right, title and interest in such
>     patent application or issued patent in such country to the other Party,
>     subject to existing licenses and rights granted by such Party to third
>     parties. Concurrent with the execution by such Party of all necessary
>     documents associated with such an assignment, the other Party shall grant to
>     the Party and its Subsidiaries personal, non-transferable, nonexclusive,
>     royalty-free, licenses (with no sublicensing rights) under such patent
>     application or issued patent to make, have made, use, lease, sell, offer for
>     sale and import the Licensed Product.
>     (G) Subject to the provisions of Section
>     2.03(b)(ii)(F), the Parties shall each have an equal title interest in each
>     application and patent for such Joint Inventions, with Company holding an
>     undivided one-half (1/2) interest and Lucent holding an undivided one-half
>     (1/2) interest.
>     (H) Subject to the provisions of Section
>     2.03(b)(ii)(F), each Party shall have the right to grant nonexclusive
>     licenses under applications and patents covering such Joint Inventions, and
>     each Party hereby consents to the granting of such licenses by the other
>     Party. Each Party shall have the right to retain all royalties that it
>     receives for granting licenses, without accounting therefor to the other
>     Party.

2.04 Patent Licenses

(a) Upon payment of the applicable fees as set
forth in Appendix B3 and subject to the provisions of this Agreement, Lucent
hereby grants to Company during the License Term, a personal, non-transferable
(except as permitted in Section 5.08) and non-exclusive license (without any
right to sublicense) under (a) patents and/or patent applications listed in
Appendix C, (b) patents on sole inventions (as defined in Section 2.03(a) owned
by Lucent, to (i) perform the Development Project during the Development Period,
and (ii) to make, have made, use, lease, sell, offer to sell and import Licensed
Product.

(b) Upon payment of the applicable fees as set
forth in Appendix B3 and subject to the provisions of this Agreement, Company
hereby grants to Lucent during the License Term, a personal, non-transferable
(except as permitted in

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

Section 5.08) and non-exclusive license
(without any right to sublicense) under (a) patents and/or patent applications
listed in Appendix C2, (b) patents on sole inventions (as defined in Section
2.03(a) owned by Company, to (i) perform the Development Project during the
Development Period, and (ii) to make, have made, use, lease, sell, offer to sell
and import Licensed Product.

(c) Licenses granted pursuant to Sections
2.04(a) and 2.04(b) are not to be construed either (i) as consent by the
licensor to any act which may be performed by licensee, except to the extent
impacted by a patent licensed herein to licensee, or (ii) to include licenses to
contributorily infringe or induce infringement under U.S. law or a foreign
equivalent thereof.

(d) Each Party agrees, upon written request of
the other Party, to grant to third parties, personal, non-transferable and
non-exclusive patent licenses (without any right to sublicense) of similar scope
as the licenses set forth in Sections 2.04(a) and (b) above, if such third
parties are licensees of Developed Information belonging to the requesting
Party. Such third-party licenses shall be limited to (a) the manufacture of
Licensed Products by the third party and/or contract manufacturers in the
factories of the third party and/or contract manufacturers, or (b) the sale of
Licensed Products by the third party. Such licenses will be governed by a
separate patent license agreement between the third party and the Party granting
the license, such agreement to contain reasonable and non-discriminatory terms
and conditions, including license fees not to exceed six (6%) percent of the
Fair Market Value of the Licensed Products.

2.05 Licenses to Technology

(a) Upon payment of the applicable fees as set
forth in Appendix B3 and subject to the provisions of this Agreement, Lucent
hereby grants to Company during the License Term a personal, nontransferable
(except as permitted in Section 5.08) and nonexclusive, worldwide rights to use
and/or copy (a) Lucent Information and (b) any Developed Information solely
owned by Lucent, (i) for the purpose of conducting the Development Project, (ii)
for the manufacture of Licensed Products either (A) by Company in the factories
of Company, or (B) by Contract Manufacturers for Company, and (iii) for the sale
of Licensed Products by Company.

(b) The rights granted to Company pursuant to
Section 2.05(a) may be sublicensed by Company to third parties only upon written
consent from Lucent, which consent will not be unreasonably withheld. Any such
sublicense shall contain terms and conditions mutually agreed upon by the
Parties, and shall be subject to payment of applicable fees and royalties to
Lucent, as set forth in Section B1 in Appendix B3.

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT



(d) The rights granted to Lucent pursuant to
Section 2.05(c) may be sublicensed by Lucent to third parties only upon written
consent from Company, which consent will not be unreasonably withheld. Any such
sublicense shall contain terms and conditions mutually agreed upon by the
Parties, and shall be subject to payment of applicable fees and royalties to
Company, as set forth in Section B2 of Appendix B3.

(e) After the expiration of the Development
Period, but during the License Term, Lucent's Bell Labs Research Nanotechnology
Lab personnel or Company may make improvements to a MEMS-based magnetometer.
Lucent, at its sole discretion, may disclose these improvements to Company
during a mutually agreed upon semi-annual review between the Parties, and make
same available to Company pursuant to terms and conditions as set forth in
Sections 2.05(a) and 2.05(b).

(f) After the expiration of the Development
Period, but during the License Term, Company personnel may make improvements to
the Licensed Product. Company, at its sole discretion, may disclose these
improvements to Lucent during a mutually agreed upon semi-annual review between
the Parties, and make same available to Lucent pursuant to terms and conditions
as set forth in Sections 2.05(c) and 2.05(d)

2.06 Co-Branding.

The Parties agree to negotiate in good faith with respect to a
possible co-branding agreement relating to the use of Lucent branding for
Licensed Products.

2.07No
Other Licenses

(a) No right is granted herein to either Party
to use any identification (such as, but not limited to, trade names, trademarks,
service marks or symbols, and abbreviations, contractions or simulations
thereof) owned by or used to identify the other Party or any of its Subsidiaries
or any of its or their products, services or organizations, and that, with
respect to the subject matter of this Agreement, each Party agrees it will not
without the express written permission of the other

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

Party (i) use any such identification in
advertising, publicity, packaging, labeling or in any other manner to identify
itself or any of its products, services or organizations; or (ii) represent
directly or indirectly that any product, service or organization of the
receiving Party is a product, service or organization of the other Party or any
of its Subsidiaries, or that any product or service of such Party is made in
accordance with or utilizes any information of the other Party or any of its
Subsidiaries.

(b) Except as expressly set forth herein, no
other right or license is either granted or implied by either party to the other
with respect to any technical or business information, or with respect to rights
in any patents, trademarks, copyrights, trade secrets, mask work protection
rights, and other intellectual property. Company further understands and agrees
that no rights or licenses under any third party information, software or
intellectual property is being furnished or granted by Lucent hereunder and it
shall be Company's sole responsibility to procure any such rights or licenses
(even if such a right or license is necessary to exercise the rights expressly
granted herein).

ARTICLE III 
TERM AND TERMINATION

3.01 Termination

(a) If a Party fails to fulfill one or more of
its material obligations or fails to perform or observe any material term or
condition under this Agreement, the other Party may, upon its election and in
addition to any other remedies that it may have, at any time terminate this
Agreement by not less than thirty (30) days written notice to the Party
specifying any such breach, subject to 3.02 below unless within the period of
such notice, or such longer period as the Parties may agree, all breaches
specified therein shall have been remedied.

(b) After payment of the initial
non-refundable payment specified in Appendix B2, either Party may terminate this
Agreement for convenience upon thirty (30) days written notice to the other
Party, subject to 3.02 below. Within such thirty-day period, the Parties shall
meet and agree on a commercially reasonable wind up of the Development Project,
including but not limited to delivery of completed (or partial) deliverables,
and payment to Lucent for non-refundable costs and expenses incurred (payment to
be reduced by any unused prorate portion of the initial non-refundable payment
set forth in Appendix B2(c) (i.e., $100,000per month).

3.02 Survival

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

The rights and obligations of Lucent and
Company in Sections 2.01 through 2.06, 4.01, 4.02, 4.03, 4.04, 5.09, 5.10, 5.11
and Appendix B3 Section B4, shall survive and continue after any such
termination of this Agreement.

ARTICLE IV 
PROTECTION OF INFORMATION

4.01 Lucent and Company Confidential Information

(a) Company and Lucent agree that:

> (i) Company will not use any of Lucent
>   Information, and that Lucent will not use any of Company Information except as
>   authorized herein;
>   (ii) Company shall hold all of Lucent
>   Information and Lucent shall hold all of Company Information in confidence,
>   and neither Party shall make any disclosure of any or all of such other
>   Party's information to anyone, except to its employees, contractors,
>   consultants and agents who have a need to know, and to any others to whom such
>   disclosure may be expressly authorized hereunder and is necessary to implement
>   the use authorized hereunder, and that each Party shall appropriately notify
>   each person to whom any such disclosure is made that such disclosure is made
>   in confidence and shall be kept in confidence by such person, and each Party
>   shall keep a list of each person to who any such disclosure is made;
>   (iii) the receiving Party will not, without
>   the disclosing Party's express written permission, reverse engineer any of the
>   furnished Lucent Information or Company Information;
>   (iv) the receiving Party will not, without
>   the disclosing Party's express written permission, make or have made, or
>   permit to be made, more copies of any of the furnished Lucent Information or
>   Company Information than are necessary for its use hereunder, and that each
>   such copy shall contain the same proprietary notices or legends that appear on
>   the furnished Lucent Information or Company Information being copied;
>   (v) all of Lucent Information shall remain
>   the property of Lucent, and upon termination of this Agreement, Company shall,
>   at Lucent's written request, immediately cease all use of Lucent Information
>   and shall, as directed by Lucent, promptly destroy or deliver to Lucent each
>   and every part specified by Lucent of Lucent Information then under Company or
>   its Subsidiaries' control;

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

> (vi) all of Company Information shall remain
>   the property of Company, and upon termination of this Agreement , Lucent
>   shall, at Company written request, immediately cease all use of Company
>   Information and shall, as directed by Company, promptly destroy or deliver to
>   Company each and every part specified by Company of Company Information then
>   under Lucent's or its Subsidiaries' control; and
>   (vii) if this Agreement is terminated by a
>   Party for breach prior to completion of the Development Project, then: (i) the
>   terminating Party may retain and use, in accordance with the terms and
>   conditions of this Agreement, Company Information or Lucent Information, as
>   appropriate, for a period of six (6) months from the date of termination, and
>   (ii) the breaching Party shall, at the terminating Party's written request,
>   immediately cease all use Company Information or Lucent Information, as
>   appropriate, and shall, as directed by the terminating Party, promptly destroy
>   or deliver to the terminating Party each and every part specified by the
>   terminating Party of Company Information or Lucent Information, as
>   appropriate, then under the breaching Party's or its Subsidiaries' control.

4.02 Joint Information

(a) During the course of the Development
Project, the Parties will maintain a list of Developed Information that is
jointly owned pursuant to Section 2.02(b). All such Developed Information that
is jointly owned shall, if in written or other tangible form, be marked
"PROPRIETARY LUCENT-mPHASE" and shall be maintained confidential by both
Parties. All such Developed Information that is jointly owned, if in intangible
form shall be reduced to a written or other tangible form within thirty (30)
days and marked accordingly.

(b) Each Party may license the Joint
Information, or any portion thereof, to a third party without the permission of
the other party, provided that (i) such third party agrees to confidentiality
provisions for the Joint Information which are not less restrictive than the
provisions herein, and (ii) royalties are paid by the licensing Party in
accordance with Appendix B3, Sections B1(b) and B2(b) and B2(c), as applicable .

(c) The Parties agree not to release any
information regarding the existence or content of this Agreement, except as
required by law. The Parties may discuss the possibility of issuing a joint
press release(s) regarding the relationship contemplated by this Agreement.
However, each of the Parties must agree in writing on the content and timing of
such joint press release; provided, neither party shall be under any obligation
to agree to any joint press release, each party

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

being entitled to refuse, for any reason or no reason at all, with or without
cause, to agree to the issuance of such joint press release.

4.03 Exceptions to Confidentiality

Notwithstanding the provisions of Sections
4.01 or 4.02, neither Party shall be required to restrict use and/or disclosure
with respect to portions of Lucent Information, Company Information or the Joint
Information, if any:

> (i) that are independently developed by the
>   receiving Party, solely by personnel with no access to such portions furnished
>   under this Agreement to the receiving Party;
>   (ii) that are lawfully received from another source having
>   the right to so furnish such portions without breach of this Agreement;
>   (iii) that have become generally known to
>   the public, provided that such public knowledge was not the result of any
>   breach of this Agreement attributable to the receiving Party;
>   (iv) that at the time of furnishing to the
>   receiving Party was known to the receiving Party as evidenced by documentation
>   or other evidence available to the receiving Party;
>   (v) that the disclosing Party otherwise explicitly agrees in
>   writing need not be kept confidential; or
>   (vi) that is disclosed pursuant to
>   governmental or judicial order or request provided that the Party receiving
>   such request or order shall, whenever practicable, promptly notify the other
>   Party and shall reasonably cooperate with the other Party in contesting such
>   disclosure or in obtaining confidential treatment of any disclosed information
>   (at the other Party's sole cost and expense).

4.04 Export Control

Each Party hereby assures the other that it
will not without a license or license exception authorized by the Bureau of
Export Administration of the U.S. Department of Commerce, Washington, D.C.
20230, United States of America, if required:

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

> (i) export or release any Deliverables
>   (Technical Information or Software, including source code) obtained pursuant
>   to this Agreement to a national of Country Groups D:1 or E:2 (15 C.F.R. Part
>   740, Supp. 1), or to Afghanistan, Iran, Iraq, Sudan, or Syria; or
>   (ii) export to Country Groups D:1 or E:2, or
>   to Afghanistan, Iran, Iraq, Sudan, or Syria, the direct product (including
>   processes and services) of the Technical Information or Software; or
>   (iii) if the direct product of the Technical
>   Information is a complete plant or any major component of a plant, export to
>   Country Groups D:1 or E:2, or to Afghanistan, Iran, Iraq, Sudan, or Syria, the
>   direct product of the plant or major component.

This assurance will be honored even after the expiration or
termination of this Agreement.

ARTICLE V 
MISCELLANEOUS PROVISIONS

5.01 Compliance with Rules and Regulations and Indemnification

(a) Company personnel shall, while on any
location of Lucent in connection with the Development Project, comply with
Lucent's rules and regulations with regard to safety and security. Lucent shall
inform such personnel of such rules and regulations. Company shall have full
control over such personnel and shall be entirely responsible for their
complying with Lucent's rules and regulations. Company agrees to indemnify and
save Lucent harmless from any claims or demands, including the costs, expenses
and reasonable attorneys' fees incurred on account thereof, that may be made by
(i) anyone for injuries to persons or damage to property to the extent they
arise in connection with this Agreement and result from the willful misconduct
or negligence of Company personnel; or (ii) Company personnel under Worker's
Compensation or similar laws. Company agrees to defend Lucent, at Lucent's
request, against any such claim or demand.

(b) Lucent's personnel shall, while on any
location of Company, in connection with the Development Project, comply with
Company rules and regulations with regard to safety and security. Company shall
inform such personnel of such rules and regulations. Lucent shall have full
control over such personnel and shall be entirely responsible for their
complying with Company rules and regulations. Lucent agrees to indemnify and
save Company harmless from any claims or demands, including the costs, expenses
and reasonable attorneys' fees incurred on account thereof, that may be made by
(i) anyone for injuries to persons or damage to property to the extent they
arise in connection with this Agreement and result from the willful misconduct
or negligence of Lucent's

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

personnel; or (ii) Lucent's personnel under
Worker's Compensation or similar laws. Lucent agrees to defend Company, at
Company request, against any such claim or demand.

(c) Each Party shall be solely responsible for
(i) its personnel's remuneration, travel, living and other local expenses, and
(ii) payment of all federal, state, social security and other payroll taxes in
respect of its personnel, including contributions from them when required by the
law of the country or any political subdivisions thereof in which such personnel
is employed by such Party.

(d) Lucent and Company shall, at all times, each retain the
administrative supervision of their respective personnel.

(e) Lucent and Company contemplate the
provision of a mutually agreed upon reasonable amount of technical assistance or
training services, some of which may be provided in countries outside of the
United States. Company shall pay all travel and living expenses incurred by
Lucent personnel in connection with such technical assistance or training
services.

5.02 Agreement Prevails

This Agreement shall prevail in the event of any conflicting
terms or legends that may appear on Lucent Information or Company Information or
Joint Information.

5.03 Accuracy

Lucent believes that Lucent Information is
true and accurate, and Company believes that Company Information is true and
accurate, but neither Lucent nor Company nor their respective Subsidiaries shall
be held to any liability for errors or omissions therein.

5.04 Nothing Construed

Neither the execution of this Agreement nor anything in it or
in Lucent Information or in Company Information shall be construed as:

> (i) an obligation upon either Party or their
>   Subsidiaries to furnish, except as expressly provided in this Agreement, any
>   assistance of any kind whatsoever, or any products or information other than
>   Company or Lucent Information or to revise, supplement or elaborate upon such
>   information; or
>   (ii) providing or implying any arrangement
>   or understanding, except to the extent set forth in this Agreement, that
>   either Party or its Subsidiaries will make any purchase or lease from, or
>   enter into

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

> any contract or other business arrangement with, the other Party or its
>   Subsidiaries.

5.05 Disclaimer

(a) The Parties acknowledge that the
Development Project is a research-related activity and may not lead to a
commercially viable Licensed Product. All Deliverables, Lucent Information and
other information furnished by Lucent under this Agreement is furnished "AS IS"
with all faults, latent and patent, and without any warranty of any type.
Notwithstanding the foregoing, Company and Lucent shall test the Deliverables in
order to determine that the Deliverables are in substantial compliance with the
Statement(s) of Work set forth in Appendix B.

(b) Lucent and its Subsidiaries make no
representations or warranties, express or implied. By way of example but not of
limitation, Lucent and its Subsidiaries make no representations or warranties of
merchantability or fitness for a particular purpose, or that the use of
Deliverables, Lucent Information or other information will not infringe any
patent or other intellectual property right. Lucent and its Subsidiaries shall
not be held to any liability with respect to any claim by Company or any third
party on account of, or arising from, the use of Deliverables, Lucent
Information or other information furnished hereunder.

(c) Neither Party or its Subsidiaries will
under any circumstance, whether as a result of breach of contract, breach of
warranty, delay, negligence, tort or otherwise, be liable to the other Party or
to any third party for any consequential, incidental, special, punitive or
exemplary damages and/or loss of profits or revenues of the other Party or any
third party arising out of this Agreement, whether or not the applicable Party
has been advised of the possibility of such damages.

(d) In the event of any material breach of
this Agreement by Lucent or its Subsidiaries, or of any loss or injury to
Company arising out of this Agreement, for which Lucent or its Subsidiaries is
liable to Company, Lucent and its Subsidiaries total cumulative liability to
Company for all such breaches, losses and injuries shall be the lesser of (i)
the actual value of the injury or loss to Company or (ii) one-half (1/2) of the
total development fee paid to Lucent pursuant to Appendix B2.

5.06 Addresses

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

(a) Any notice or other communication hereunder shall be
sufficiently given to Company when sent by certified mail addressed to mPhase
Technologies Inc., 587 Connecticut Avenue, Norwalk, CT 06854, or to LUCENT when
sent by certified mail addressed to Lucent Technologies, Inc. Attention:
Contract Administrator Intellectual Property Business 2400 SW 145th Avenue,
Monarch Lakes Office Park, Miramar, FL 33027. Changes in such addresses may be
specified by written notice.

(b) Payments by the LICENSEE shall be made to LUCENT at Lucent
Technologies, Inc., Account No.375 121 0670, Bank of America, P.O. Box 281547,
Atlanta, Georgia 30384-1547 USA . Alternatively, payments to LUCENT may be made
by bank wire transfers to LUCENT's account at Lucent Technologies Licensing,
Account No.375 121 0670, Bank of America, 1401 Elm Street, Dallas, TX 75202 USA
, ABA Code: 111000012, SWIFT CODE: NABKUS4A. Changes in such address or account
may be specified by written notice.

5.07 Integration

This Agreement sets forth the entire Agreement
and understanding between the Parties as to the subject matter hereof and merges
all prior discussions and agreements between them. Neither of the Parties shall
be bound by any warranties, understandings, modifications or representations
with respect to the subject matter hereof other than as expressly provided
herein or in a writing signed with or subsequent to the execution hereof by an
authorized representative of the Party to be bound thereby.

5.08 Nonassignability

(a) The Parties hereto have entered into this
Agreement in contemplation of personal performance, each by the other, and
intend that the licenses and rights granted hereunder to a Party not be extended
to entities other than such Party's Subsidiaries without the other Party's
express written consent.

(b) Notwithstanding Section 5.08(a), Lucent's
rights, licenses, obligations, title and interest in this Agreement may be
assigned, but only after the conclusion of the Development Period, in whole or
in part, to (i) any Subsidiary of Lucent; or (ii) any direct or indirect
successor to all or any portion of the business of Lucent or its Subsidiaries,
which successor shall thereafter be deemed substituted for Lucent as the Party
hereto, effective upon such assignment.

(c) Notwithstanding Section 5.08(a), Company's
rights, licenses, obligations, title and interest in this Agreement may be
assigned, but only after the conclusion of the Development Period, in whole or
in part, to (i) any Subsidiary of Company; (ii) any direct or indirect successor
to all or any portion of the business of

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

Company or its Subsidiaries, which successor
shall thereafter be deemed substituted for Company as the Party hereto,
effective upon such assignment, or (iii) to a third party, provided that Company
first notifies Lucent of its intent to make such assignment, and that Company
obtains consent from Lucent to the form of and terms contained in such
assignment, which consent shall not be unreasonably withheld by Lucent.

(d) In the event of a Change of Control of
Company after the end of the Development Project, Company's rights, licenses,
obligations, title and interest in this Agreement may be continued, provided
that Company first notifies Lucent of its intent to make such Change of Control,
and that Company obtains consent from Lucent to the form of and terms relating
to such Change of Control, which consent shall not be unreasonably withheld by
Lucent.

5.09 Choice of Law

The Parties agree that the law of the State of
New York, exclusive of its conflict of laws provisions, shall apply in any
dispute or controversy arising with respect to this Agreement.

5.10Agreement Confidentiality

The terms, but not the existence, of this
Agreement shall be treated as confidential information by the Parties, and no
Party shall disclose such terms to any third party without the prior written
consent of the other Party; provided however, that each Party may (i) represent
to third parties that such Party is licensed as provided by this Agreement; (ii)
disclose this Agreement and its terms to potential acquirers of, investors in or
lenders to such Party (including any representatives of the parties in such
transaction), or disclosures reasonably necessary in connection with the
divestiture of all or any portion of a Party's respective businesses, provided
such disclosure is made pursuant to a written confidentiality agreement binding
upon such potential acquirer, investor or lender which contains confidentiality
obligations which are no less protective than at least the same degree of care
the disclosing Party normally exercises to protect its own proprietary
information of a similar nature; (iii) disclose this Agreement and its terms in
any arbitration, mediation or other official dispute resolution procedure
pursuant to a written confidentiality agreement binding upon the parties which
contains confidentiality obligations which are no less protective than at least
the same degree of care the disclosing Party normally exercises to protect its
own proprietary of a similar nature; and (iv) disclose this Agreement and its
terms which is requested pursuant to a judicial or governmental request,
requirement or order under law, provided that such Party provides the other
Party with sufficient prior notice in order to contest such request, requirement
or order or seek protective measures. In addition, this Section shall not
prevent a Party from making disclosures reasonably required by law or as
required by a stock exchange. Unless otherwise agreed, neither Party will issue
any press release(s) regarding the relationship contemplated by this Agreement
unless both Parties

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

have previously agreed in writing on the content and timing
of such press release. Neither party shall be under any obligation to agree to
any press release, each party being entitled to refuse, for any reason or no
reason at all, with or without cause, to agree to the issuance of such press
release.

5.11Dispute Resolution

(a) If a dispute arises out of or relates to
this Agreement, or the breach, termination or validity thereof, the Parties
agree to submit the dispute to a sole mediator selected by the Parties or, at
any time at the option of a Party, to mediation by the American Arbitration
Association ("AAA"). If not thus resolved, it shall be referred to a sole
arbitrator selected by the Parties within thirty (30) days of the mediation, or
in the absence of such selection, to AAA arbitration before a sole arbitrator
which shall be governed by the United States Arbitration Act.

(b) Any award made (i) shall be a bare award
limited to a holding for or against a Party and affording such remedy as is
deemed equitable, just and within the scope of the agreement; (ii) shall be
without findings as to issues (including but not limited to patent validity
and/or infringement) or a statement of the reasoning on which the award rests;
(iii) may in appropriate circumstances (other than patent disputes) include
injunctive relief; (iv) shall be made within four (4) months of the appointment
of the arbitrator; and (v) may be entered in any court.

(c) The requirement for mediation and
arbitration shall not be deemed a waiver of any right of termination under this
Agreement and the arbitrator is not empowered to act or make any award other
than based solely on the rights and obligations of the Parties prior to any such
termination.

(d) The arbitrator shall be knowledgeable in
the legal and technical aspects of this Agreement and shall determine issues of
arbitrability but may not limit, expand or otherwise modify the terms of this
Agreement.

(e) The place of mediation and arbitration shall be New York
City.

(f) Each Party shall bear its own expenses but
those related to the compensation and expenses of the mediator and arbitrator
shall be borne equally.

(g) A request by a Party to a court for interim measures shall
not be deemed a waiver of the obligation to mediate and arbitrate.

(h) The arbitrator shall have authority to
award compensatory damages only. The arbitrator shall have no authority to award
punitive or other damages , and each Party irrevocably waives any claim thereto.

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

(i) Except as required by law, the Parties, their
representatives, other participants and the mediator and arbitrator shall hold
the existence, content and result of mediation and arbitration in confidence.

5.12 Relationship Between Parties

Neither Party to this Agreement shall have the
power to accept purchase orders on behalf of the other, bind the other by any
guarantee or representation that it may give, or to incur any debts or
liabilities in the name of or on behalf of the other Party. The Parties
acknowledge and agree that nothing contained in this Agreement shall be deemed
or construed to constitute or create between the Parties hereto a partnership,
association, joint venture or other agency.

5.13 Force Majeure

Neither Lucent nor Company shall be liable for
any loss, damage, delay or failure of performance resulting directly or
indirectly from any cause which is beyond its reasonable control, including but
not limited to acts of God, extraordinary traffic conditions, riots, civil
disturbances, wars, states of belligerency or acts of the public enemy, strikes,
work stoppages, or the laws, regulations, acts or failure to act of any
governmental authority. In the event that performance under this Agreement is
prevented for a continuous period of two (2) months or longer by any of the
foregoing causes, either Party shall have the right to terminate this Agreement
by giving written notice to the other Party.

5.14 Headings

Section and subsection headings contained in
this Agreement are inserted for convenience of reference only, shall not be
deemed to be a part of this Agreement for any purpose, and shall not in any way
define or affect the meaning, construction or scope of any of the provisions
hereof.

5.15 Waiver

Except as specifically provided for herein,
the waiver from time to time by a Party of any of their rights or their failure
to exercise any remedy shall not operate or be construed as a continuing waiver
of the same or of any other of such Party's rights or remedies provided in this
Agreement.

5.16 Severability

If any term, covenant or condition of this
Agreement or the application thereof to any Party or circumstances shall, to any
extent, be held to be invalid or unenforceable, then the remainder of this
Agreement, or the application of such term, covenant or condition to parties or
circumstances other than those as to

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

which it is held invalid or unenforceable, shall not be
affected thereby and each term, covenant or condition of this Agreement shall be
valid and be enforced to the fullest extent permitted by law.

5.17 Execution in Counterparts

This Agreement may be executed in any number
of counterparts, each of which shall be deemed an original (including facsimile
copies), but all of which together shall constitute one and the same instrument.

5.18 Payments and Taxes

(a) Company shall pay all invoices rendered by Lucent, in U.S.
dollars, within sixty (60) days after receipt thereof, to the address specified
in the invoice.

(b) Company shall bear all taxes, duties, levies and similar
charges (and any related interest and penalties), however designated, imposed as
a result of the existence or operation of this Agreement, except (i) any tax
imposed upon Lucent in a jurisdiction other than the United States if such tax
is allowable as a credit against the United States income taxes of Lucent; and
(ii) any net income tax imposed upon Lucent by the United States or any
governmental entity within the United States (the fifty (50) states and the
District of Columbia). In order for the exception contained in (i) to apply,
Company must furnish Lucent with evidence issued by the taxing authority in such
jurisdiction that such tax has been paid. The evidence must be furnished within
thirty (30) days of issuance by the taxing authority and must be sufficient to
satisfy United States taxing authorities that such tax has been paid.

(c) If Company is required to bear a tax,
duty, levy or similar charge pursuant to (a) above, Company shall pay such tax,
duty, levy or similar charge and any additional amounts as are necessary to
ensure that the net amounts received by Lucent hereunder after all such payments
or withholdings equal the amounts to which Lucent is otherwise entitled under
this Agreement as if such tax, duty, levy or similar charge did not apply.

5.19 Non-Solicitation

During the Development Period and a period of
one (1) year thereafter, neither Party will, directly or indirectly, employ, or
solicit to employ or initiate contact with any employees of the other Party that
are performing or may reasonably be expected to perform work in furtherance of
the Development Project, for the purpose of inducing them to terminate their
employment with the current employing Party, or to become employed by the other
(non-employing) Party. This restriction shall not apply to any employee whose
employment with a Party is involuntarily terminated or who has retired in good
standing from such Party. The term "solicit to employ" shall not be deemed to
include generalized

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

searches for employees through media advertisements,
employment firms or otherwise, that are not focused on persons employed by a
Party. For purposes hereof, "employ" shall include any employment, consultant,
independent contractor, agent or similar relationship.

IN WITNESS WHEREOF, the Parties hereto have caused this
Agreement to be executed in duplicate originals by their duly authorized
representatives on the respective dates entered below.

|LUCENT TECHNOLOGIES INC.        | mPhase Technologies, Inc.
|------------------------------- | -------------------------
|                                |                          
|                                |                          
|By: /s/ Christopher N. Malone   | By: /s/ Ronald A. Durando
|                                |                          
|Title: Managing Company Counsel | Title: President         
|                                |                          
|Date: 3/9/2005                  | Date: 3/9/2005           
|                                |                          

THIS AGREEMENT DOES NOT BIND OR OBLIGATE EITHER PARTY IN ANY
MANNER UNLESS DULY EXECUTED BY AUTHORIZED REPRESENTATIVES OF BOTH PARTIES

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

APPENDIX A 
DEFINITIONS

Change of Controlmeans (a) any "person" (as such term is used in Sections 13(d) and 14(d) of the
Securities Exchange Act of 1934, as amended (the "Exchange Act")), other than a
trustee or other fiduciary holding securities of the Company under an employee
benefit plan of the Company, becomes the "beneficial owner" (as defined in Rule
13d-3 promulgated under the Exchange Act), directly or indirectly, of securities
of the Company representing 50% or more of (A) the outstanding shares of common
stock of the Company or (B) the combined voting power of the Company's
then-outstanding securities; (b) the Company is party to a merger or
consolidation, or series of related transactions, which results in the voting
securities of the Company outstanding immediately prior thereto failing to
continue to represent (either by remaining outstanding or by being converted
into voting securities of the surviving or another entity) at least fifty (50%)
percent of the combined voting power of the voting securities of the Company or
such surviving or other entity outstanding immediately after such merger or
consolidation; (c) the sale or disposition of all or substantially all of the
Company's assets (or consummation of any transaction, or series of related
transactions, having similar effect); (d) there occurs a change in the
composition of the Board of Directors of the Company within a two-year period,
as a result of which fewer than a majority of the directors are Incumbent
Directors; (e) the dissolution or liquidation of the Company; or (f) any
transaction or series of related transactions that has the substantial effect of
any one or more of the foregoing.

Code means Object Code and Source Code, collectively.

Company Information means informative material, software,
technical information or other information, owned by Company or any of its
Subsidiaries, disclosed hereunder by Company that is marked as "confidential" or
"proprietary" at the time of disclosure to Lucent or, if disclosed orally, is
identified at the time of disclosure as "confidential" or "proprietary" and
followed by a summary in writing provided by Company to Lucent within sixty (60)
days of the original disclosure.

Contract Manufacturer means a third party engaged by
Company or Lucent, to manufacture Licensed Products intended for sale by Company
or Lucent, as the case may be, to distributors and/or end users. The selection
of Contract Manufacturers shall be subject to mutual agreement.

Derivative Workshall mean (i) any work of authorship that is based, in whole or in part, upon
one or more pre-existing works (e.g., the Lucent Information or the
Deliverables), such as a revision, modification, translation, abridgment,
condensation, expansion or any other form in which such pre-existing works may
be recast, transformed or adopted and (ii) which, if prepared without

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

authorization of the owner of the copyright in such pre-existing work, would
constitute a copyright infringement.

Developed Information has the meaning set forth in Section 2.02.

Development Period means, unless otherwise mutually
agreed in writing, the period commencing on the Effective Date of this Agreement
and extending until completion of the last milestone of the Development Project
unless terminated according to the provisions of Article III.

Development Project means performance of the work set
forth in the Statement(s) of Work in Appendix B1, and the provision to Company
of the Deliverables identified in Appendix B1.

Documentation means all information, whether in human
and/or machine-readable form, relating to Code, including but not limited to
user manuals and materials useful for design (for example, logic manuals, flow
charts, and principles of operation).

Joint Information means any newly developed manufacturing
process information, product, service, software, technical information or other
information that is developed while doing work specific to the Development
Project by a contribution of one or more of one Party's employees, agents or
consultants jointly with one or more of the other Party's employees, agents or
consultants during the Development Period. The term does not mean and does not
include any existing intellectual property, product or underlying information of
a Party developed prior to the Effective Date of this Agreement or during the
term of this Agreement solely by or on behalf of Lucent or Company.

Joint Invention shall have the meaning assigned in Section 2.04(b)(i)
hereto.

License Term means the period beginning on the Effective
Date and ending on the later of (a) ten (10) years after the Effective Date, or
(b) upon the expiration of the last patent to which the license granted pursuant
to Section 2.04 applies.

Licensed Productmeans a product that incorporates either (1) a nonlinear mechanical oscillator
employing a large ratio of frequency to amplitude change, or (2) a MEMS device
incorporating a magnetic material and a capacitance amplifying shape. .

Lucent Informationmeans informative material, Software, Technical Information or other
information, owned by Lucent or any of its Subsidiaries, disclosed hereunder by
Lucent that is marked as "confidential" or "proprietary" at the time of
disclosure to Company or, if disclosed orally, is identified at the time of

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

disclosure as "confidential" or "proprietary" and followed by a summary in
writing provided by Lucent to Company within sixty (60) days of the original
disclosure.

Lucent Intellectual Property shall mean, collectively,
any copyright or trade secret (but not Lucent Patents) in which Lucent, as of
the Effective Date, owns and has the right to grant any licenses of the type
herein granted by Lucent, but only to the extent of such right, and (i) which is
specific to the Deliverables as furnished hereunder and (ii) but for the
licenses granted herein is unavoidably and necessarily infringed by Customer's
implementation and use of the Deliverables.

Object Code means code in machine-readable form generated
by compilation, assembly or other translation of Source Code and contained in a
medium which permits it to be loaded into and operated on by a processor.

Revenue means the money (or other compensation) received
from the sale or lease of Licensed Products that incorporate the Developed
Information less (a) the amount of any refund to, or credit to the account of,
any customer because of rejection or return of Licensed Products by the
customer; and (b) customary charges incurred for taxes, freight-out to customer
and trade discounts.

SoftwaremeansCode and
associated Documentation that is identified in Appendix B and intended by the
Parties to be included in the Deliverables.

Source Codemeans
code in any programming language contained in any format, including human and
machine-readable formats, such code including all comments and procedural code
plus all related development documents such as, but not limited to, flow charts,
schematics, statements of principles of operations or any other specifications.

Subsidiary of a company means a corporation or other
legal entity (i) the majority of whose shares or other securities entitled to
vote for election of directors (or other managing authority) is now or hereafter
controlled by such company either directly or indirectly; or (ii) that does not
have outstanding shares or securities but the majority of whose ownership
interest representing the right to manage such corporation or other legal entity
is now or hereafter owned and controlled by such company either directly or
indirectly; but any such corporation or other legal entity shall be deemed to be
a Subsidiary of such company only as long as such control or ownership and
control exists.

Technical Informationmeans all documented informative material (excluding patents and patent
applications and excluding Code), including without limitation, Documentation,
technical memoranda, technical reports, data and drawings of whatever kind in
whatever tangible medium, specifications, tangible know-how, processes, manuals,
instructions, directories, schematics, sketches, photographs, graphs, dies,
molds, tools, tooling, samples, price lists, part lists and descriptions, and
any and all notes, analysis, compilations, studies,

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT

summaries, and other material containing or based, in whole
or in part, on any information included in the foregoing, that is identified in
Appendix B and intended by the Parties to be included in the Deliverables.







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mPhase Technologies, Inc. DEVELOPMENT AGREEMENT
APPENDIX B1 
MEMS-based Magnetometer ArraysTechnologies

STATEMENT OF WORK

All or a portion of
Appendices B1, B2, B3, C1and C2 of this exhibit have been ommitted pursuant to Rule 406
of the Securities Act of 1933, as amended, as part of a confidential treatment
request by the Company to the Securities and Exchange Commission under 17 GFR §§
200.86(b)(4) and 200.83.

27

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENTStaffingThe Parties will allocate sufficient technical staff to
perform the Development Project and will identify these individuals to the other
Party. The specific staff composition of the Party's team will be determined by
that Party, based upon the deliverables and phases of the project.





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mPhase Technologies, Inc. DEVELOPMENT AGREEMENTAPPENDIX B2 
Cost of Development ProjectAll or a portion of Appendices B1, B2, B3, C1 and C2 of this exhibit
have been ommitted pursuant to Rule 406 of the Securities Act of 1933, as
amended, as part of a confidential treatment request by the Company to the
Securities and Exchange Commission under 17 GFR §§ 200.86(b)(4) and 200.83.

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENTAPPENDIX B3Royalties

All or a portion of Appendices B1, B2, B3, C1and C2 of this exhibit
have been ommitted pursuant to Rule 406 of the Securities Act of 1933, as
amended, as part of a confidential treatment request by the Company to the
Securities and Exchange Commission under 17 GFR §§ 200.86(b)(4) and 200.83.

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34

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35

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36

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37

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mPhase Technologies, Inc. DEVELOPMENT AGREEMENTAPPENDIX C1 
Lucent Patents and/or Patent ApplicationsAll or a portion of Appendices B1, B2, B3, C1 and C2 of this exhibit
have been ommitted pursuant to Rule 406 of the Securities Act of 1933, as
amended, as part of a confidential treatment request by the Company to the
Securities and Exchange Commission under 17 GFR §§ 200.86(b)(4) and 200.83.



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mPhase Technologies, Inc. DEVELOPMENT AGREEMENTAPPENDIX C2 
mPhase Patents and/or Patent ApplicationsAll or a portion of Appendices B1, B2, B3, C1 and C2 of this exhibit
have been ommitted pursuant to Rule 406 of the Securities Act of 1933, as
amended, as part of a confidential treatment request by the Company to the
Securities and Exchange Commission under 17 GFR §§ 200.86(b)(4) and 200.83.





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