EXHIBIT 99.2


                                  CERTIFICATION


Pursuant to 18 U.S.C.ss.1350, the undersigned officer of Tollgrade
Communications, Inc. (the "Corporation"), hereby certifies that the
Corporation's Quarterly Report on Form 10-Q for the quarter ended March 29, 2003
(the "Report") fully complies with the requirements of Section 13(a) or 15(d),
as applicable, of the Securities Exchange Act of 1934 and that the information
contained in the Report fairly presents, in all material respects, the financial
condition and results of operations of the Corporation.

Dated:  May 13, 2003

/s/ Samuel C. Knoch
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Name:  Samuel C. Knoch
Title:  Chief Financial Officer