1 EXHIBIT 23.2 CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS We consent to the references to our firm under the captions "Experts" and "Selected Financial Data" and to the use of our reports dated April 30, 1998, in Amendment No. 2 to the Registration Statement (Form S-1) and related Prospectus of Quintus Corporation. Ernst & Young LLP Palo Alto, California October 21, 1999