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                                                                    EXHIBIT 99.2



                           SUBSCRIBER COMPUTING, INC.

               PROXY SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS

        The undersigned hereby appoints Dennis Andrews and Steve Johnson jointly
and severally as proxies, with full power of substitution and resubstitution, to
vote all shares of stock which the undersigned is entitled to vote at the
Special Meeting of Stockholders of Subscriber Computing, Inc. (the "Company") to
be held on __________, 1998, or at any adjournments or postponements thereof, as
specified below, and to vote in the proxyholders' discretion on such other
business as may properly come before the Meeting and any adjournments or
postponements thereof.

            THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR PROPOSAL 1.

1.      Approval of Merger. A proposal to approve and adopt the Agreement and
        Plan of Reorganization, dated April 2, 1998 (the "Merger Agreement"), by
        and among the Company, Corsair Communications, Inc., a Delaware
        corporation ("Corsair"), and Anteater Acquisition Corp., a Delaware
        corporation and a wholly-owned subsidiary of Corsair ("Merger Sub"), and
        to approve Corsair's acquisition of the Company through the merger of
        Merger Sub with and into the Company, with the Company being the
        surviving corporation and becoming a wholly-owned subsidiary of Corsair
        (the "Merger").

           [ ] FOR           [ ] AGAINST             [ ] ABSTAIN


        Unless otherwise specified by the undersigned, this proxy will be voted
in the manner directed above, but if no contrary direction is made, it will be
voted FOR Proposal 1 above and by the proxyholders, in the proxyholders'
discretion, as to any other matters properly transacted at the Special Meeting
or any adjournments or postponements thereof. To vote in accordance with the
Board of Directors' recommendation, just sign below, no box need be checked.



                                    Dated:______________________________________



                                    ____________________________________________
                                    Signature of Stockholder


                                    ____________________________________________
                                    Printed Name of Stockholder



                                    ____________________________________________
                                    Title (if appropriate)

                                    Please sign exactly as name appears hereon.
                                    If signing as attorney, executor,
                                    administrator, trustee or guardian, please
                                    give full title as such, and, if signing for
                                    a corporation, please give your title. When
                                    shares are in the names of more than one
                                    person, each should sign.

                                    CHECK HERE IF YOU PLAN TO ATTEND 
                                    THE SPECIAL MEETING               [ ]