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                                                                    EXHIBIT 23.1

             CONSENT OF DELOITTE & TOUCHE LLP, INDEPENDENT AUDITORS

We consent to the use in this Registration Statement of Quintus Corporation on
Form S-8 of our reports dated April 18, 2000 (May 18, 2000 as to Note 14) on
the consolidated financial statements of Quintus Corporation for the fiscal
years ended March 31, 2000 and 1999, appearing in the Annual Report on Form
10-K of Quintus Corporation for the year ended March 31, 2000.


/s/ Deloitte & Touche LLP

San Jose, California
May 31, 2000