EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 000-25475) of Latitude Communications, Inc. of our report dated January 25, 2000 relating to the financial statements and financial statement schedules, which appears in this Form 10-K. PricewaterhouseCoopers LLP San Jose, CA March 29, 2000