**EXHIBIT 31(b)**

**mPHASE TECHNOLOGIES, INC.**

**Certification of Principal        Executive Officer Pursuant to 18 U.S.C. 1350  (Section 906 of the Sarbanes-Oxley Act of 2002)**

 

I, Ronald A. Durando, President        and Chief Executive Officer (“principal executive officer”)        of mPhase Technologies, Inc. (the “Registrant”), certify        that to the best of my knowledge, based upon a review of this Annual        Report on Form 10-K (“Form 10-K”):

(1) The Form 10K fully complies        with the requirements of the Form 10-K pursuant to Section 13 or 15(d)        of the Securities and Exchange Act of 1934; and

(2) The information contained        in the Form 10-K fairly presents, in all material respects, the financial        condition and results of operations of the Registrant.

 

| /s/    |   | Ronald A. Durando                     |
|--------|--------|---------------------------------------|
|        |   |                                  |
| Name:  |   | Ronald A. Durando                     |
|   |   | President and Chief Executive Officer |
|   |   |                                  |
| Date:  |   | September 10, 2003                    |

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**mPHASE TECHNOLOGIES, INC.**

**Certification of Principal        Executive Officer Pursuant to 18 U.S.C. 1350  (Section 906 of the Sarbanes-Oxley Act of 2002)**

 

I, Martin S. Smiley, Executive        Vice President, Chief Financial Officer and General Counsel (“principal        executive officer”) of mPhase Technologies, Inc. (the “Registrant”),        certify that to the best of my knowledge, based upon a review of this        Annual Report on Form 10-K (“Form 10-K”):

(1) The Form 10K fully complies        with the requirements of the Form 10-K pursuant to Section 13 or 15(d)        of the Securities and Exchange Act of 1934; and

(2) The information contained        in the Form 10-K fairly presents, in all material respects, the financial        condition and results of operations of the Registrant.

 

| /s/    |   | Martin S. Smiley            |
|--------|--------|-----------------------------|
|        |   |                        |
| Name:  |   | Martin S. Smiley            |
|   |   | Executive Vice President    |
|   |   | Chief Financial Officer and |
|   |   | General Counsel             |
|   |   |                        |
|   |   | September 10, 2003          |

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**mPHASE TECHNOLOGIES, INC.**

**Certification of Principal        Executive Officer Pursuant to 18 U.S.C. 1350  (Section 906 of the Sarbanes-Oxley Act of 2002)**

 

I, Gustave T. Dotoli the Chief        Operating Officer (“principal executive officer”) of mPhase        Technologies, Inc. (the “Registrant”), certify that to the        best of my knowledge, based upon a review of this Annual Report on Form        10-K (“Form 10-K”):

(1) The Form 10-K fully complies        with the requirements of the Form 10-K pursuant to Section 13 or 15(d)        of the Securities and Exchange Act of 1934; and

(2) The information contained        in the Form 10-K fairly presents, in all material respects, the financial        condition and results of operations of the Registrant.

 

| /s/    |   | Gustave T. Dotoli       |
|--------|--------|-------------------------|
|        |   |                    |
| Name:  |   | Gustave T. Dotoli       |
|   |   | Chief Operating Officer |
|   |   |                    |
| Date:  |   | September 10, 2003      |

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