摘要
综合业务数字网 (ISDN)是近 10年来发展较快同时也是代表有线通信未来发展的新型通信网。而且电话增加“可视”功能一直是通信目标之一。通过对规范 ISDN可视电话系列协议分析 。
The ISDN is promising telecommunication network which gain great progress in recent years. To equip the general telephone with visual function is always the object of telephone industry. This thesis is attempted to give an analysis of ISDN videophone related protocols, and to propose a preliminary design scheme for the ISDN videophone terminal.
