EXHIBIT 99.2 COMPRESSION LABS, INCORPORATED PROXY FOR SPECIAL MEETING OF STOCKHOLDERS, MAY , 1997 THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS The undersigned hereby appoints T. Gary Trimm and Patrizia Owen, and each of them, as Proxies, each with the power to appoint his substitute, and hereby authorizes them to represent and vote, as designated on the reverse side hereof, all of the shares of capital stock of Compression Labs, Incorporated, held of record by the undersigned at the Special Meeting of Stockholders to be held in Milpitas, California on , May , 1997 upon such business as may properly come before the meeting, or any adjournment thereof, including the following items as set forth in the Notice of Meeting and in the Proxy Statement, receipt of which is hereby acknowledged. 1. Approval and adoption of the Agreement and Plan of Merger and Reorganization by and among VTEL Corporation, VTEL-Sub, Inc. and Compression Labs, Incorporated. [ ] FOR [ ] AGAINST [ ] ABSTAIN THE BOARD OF DIRECTORS RECOMMENDS THAT YOU VOTE FOR THE AGREEMENT AND PLAN OF MERGER AND REORGANIZATION. THIS PROXY IS CONTINUED ON THE REVERSE SIDE, PLEASE DATE, AND RETURN PROMPTLY 2. In their discretion, the Proxies are authorized to vote upon such other matters and business as may properly come before the meeting. Your signature(s) on this proxy form should be exactly as your name or names appear on this proxy. If the stock is held jointly, each holder should sign. If signing is by attorney, executor, administrator, trustee or guardian, please give full title. Dated: _______________________, 1997. ------------------------------------- Signature ------------------------------------- Signature THE SHARES REPRESENTED BY THIS PROXY WILL BE VOTED AS DIRECTED BY THE STOCKHOLDER. IF NO DIRECTION IS GIVEN WHEN THE DULY EXECUTED PROXY IS RETURNED, SUCH SHARES WILL BE VOTED IN ACCORDANCE WITH THE RECOMMENDATIONS OF THE BOARD OF DIRECTORS FOR PROPOSAL 1.