1 EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (Nos. 33-65464, 33-65472, and 33-65478) of VTEL Corporation of our report dated September 22, 1998, which appears in this Annual Report on Form 10-K/A. PricewaterhouseCoopers LLP Austin, Texas May 3, 1999