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Exhibit 31.2

CERTIFICATION PURSUANT TO RULE 13A-14(a)/15D-14(a) 
OF THE SECURITIES EXCHANGE ACT OF 1934, AS ADOPTED 
PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Martin Smiley, certify that:

|1. | I have reviewed this annual report on Form 10-K/A (Amendment
No.3) of mPhase Technologies, Inc.:                                                                                                                                                                                                                                       
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|2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material factnecessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;                              
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|3. | Based on my knowledge, the financial statements, and other
financial information included in this report, fairly present in all material
respects the financial condition, results of operations and cash flows of the
registrant as of, and for, the periods presented in this report;                                                
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|4. | The registrant's other certifying officer(s) and I are
responsible for establishing and maintaining disclosure controls and procedures
(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control
over financial reporting (as defined in Exchange Act Rules 13a-15(f) and
15d-15(f)) for the registrant and have:
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|5. | The registrant's other certifying officer(s) and I have
disclosed, based on our most recent evaluation of internal control over
financial reporting, to the registrant's auditors and the audit committee of
registrant's board of directors (or persons performing the equivalent
functions):                                         
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Date: December 3, 2010

/s/ Martin SmileyMartin Smiley 
EVP, CFO and General Counsel

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