Exhibit 32.2

Certification Pursuant to 18 U.S.C. Section 1350,
As Adopted Pursuant To
Section 906 of The Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of SpectraLink Corporation (the “Company”) on Form 10-Q for the period ending June 30, 2004 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David I. Rosenthal, Vice President of Finance and Administration and Chief Financial Officer of the Company, certify to the best of my knowledge, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)	The Report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934, as amended; and
(2)	The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company for the periods presented therein.

/s/ DAVID I. ROSENTHAL
David I. Rosenthal

Vice President of Finance and Administration and Chief Financial Officer
August 9, 2004

A signed original of this written statement required by Section 906 has been provided to SpectraLink Corporation and will be retained by SpectraLink Corporation and furnished to the Securities and Exchange Commission or its staff upon request.