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                                     FORM 15

Certification and Notice of Termination of Registration under Section 12(g) of
the Securities Exchange Act of 1934 or Suspension of Duty to File Reports Under
Section 13 and 15(d) of the Securities Exchange Act of 1934.

Commission File Number                          33-59598
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                              Dialogic Corporation
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             (Exact name of registrant as specified in its charter)

           1515 Route 10, Parsippany, New Jersey 07054 (973) 993-3060
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    (Address, including zip code, and telephone number, including area code,
                  of registrant's principal executive offices)

                           Common stock, no par value
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            (Title of each class of securities covered by this Form)

                                      none
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 (Titles of all other classes of securities for which a duty to file reports
                    under section 13(a) or 15(d) remains)

       Please place an X in the box(es) to designate the appropriate rule
provisions(s) relied upon to terminate or suspend the duty to file reports:

Rule 12g-4(a)(1)(i)       [X]         Rule 12h-3(b)(1)(ii)       [ ]
Rule 12g-4(a)(1)(ii)      [ ]         Rule 12h-3(b)(2)(i)        [ ]
Rule 12g-4(a)(2)(i)       [ ]         Rule 12h-3(b)(2)(ii)       [ ]
Rule 12g-4(a(2)(ii)       [ ]         Rule 15d-6                 [X]
Rule 12h-3(b)(1)(i)       [X]

Approximate number of holders of record as of the certification or notice date:
                  1
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        Pursuant to the requirements of the Securities Exchange Act of 1934,
Dialogic Corporation has caused this certification/notice to be signed on its
behalf by the undersigned duly authorized person.

                                                DIALOGIC CORPORATION

DATE:  July 12, 1999                        BY:    /s/ Cary I. Klafter
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                                                   Cary I. Klafter, Secretary

Instruction: This form is required by Rules 12g-4, 12h-3 and 15d-6 of the
General Rules and Regulations under the Securities Exchange Act of 1934. The
registrant shall file with the Commission three copies of Form 15, one of which
shall be manually signed. It may be signed by an officer of the registrant, by
counsel or by any other duly authorized person. The name and title of the person
signing the form shall be typed or printed under the signature.