EXHIBIT31.2

CERTIFICATION

I, John C. Rudy, certifythat:

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| 1.  | I have reviewed this annualreport on Form 10-KSB of Sona Mobile Holdings Corp; |

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| 2.  | Based on my knowledge, this report doesnot contain any untrue statement of material fact or omit to state amaterial fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleadingwith respect to the period covered by this report; |

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| 3.  | Based on my knowledge, the financialstatements, 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 small business issuer asof, and for, the periods presented in this report; |

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| 4.  | The small business issuer’sother certifying officer(s) and I are responsible for establishing andmaintaining disclosure controls and procedures (as defined in ExchangeAct Rules 13a-15(e) and 15d-15(e)) for the small business issuer andhave: |

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|  | a)  | Designed such disclosurecontrols and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure thatmaterial information relating to the small business issuer, includingits consolidated subsidiaries, is made known to us by others withinthose entities, particularly during the period in which this report isbeing prepared; |

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|  | b)  | Evaluated theeffectiveness of the small business issuer’s disclosure controlsand procedures and presented in this report our conclusions about theeffectiveness of the disclosure controls and procedures, as of the endof the period covered by this report based on such evaluation; and |

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|  | c)  | Disclosed in this report any changein the small business issuer’s internal control over financialreporting that occurred during the small business issuer’s mostrecent fiscal quarter (the small business issuer’s fourth fiscalquarter in the case of an annual report) that has materially affected,or is reasonably likely to materially affect, the small businessissuer’s internal control over financial reporting; and |

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| 5.  | The small business issuer’sother certifying officer(s) and I have disclosed, based on our mostrecent evaluation of internal control over financial reporting, to thesmall business issuer’s auditors and the audit committee of thesmall business issuer’s board of directors (or personsperforming the equivalent functions): |

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|  | a)  | All significant deficiencies andmaterial weaknesses in the design or operation of internal control overfinancial reporting which are reasonably likely to adversely affect thesmall business issuer’s ability to record, process, summarizeand report financial information; and |

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|  | b)  | Any fraud, whether or not material,that involves management or other employees who have a significant rolein the small business issuer’s internal control over financialreporting. |

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| Date: March  31,  2006 |  | /s/ JOHN C. RUDY                  |
|                   |  | John C.RudyChief FinancialOfficer |
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