EXHIBIT 23.1



                         CONSENT OF INDEPENDENT AUDITORS


We consent to the  incorporation by reference in the  Registration  Statement on
Form S-8 (File No. 333-44533)  pertaining to the VTEL Corporation 401(k) Plan of
our report dated June 10, 2002,  with respect to the  financial  statements  and
schedule of the VTEL  Corporation  401(k) Plan included in this Annual Report on
Form 11-K for the year ended December 31, 2001.



                                                /s/ Ernst & Young, LLP


Austin, Texas
June 24, 2002