摘要
介绍了一种基于ISDN的多媒体通信系统。在该系统中,ISDN用户-网络接口的S接口是通过数字话机来实现的。数字话机提供2B+D的接入能力,具备呼叫控制的功能,既可以传输简单的语音,也可以同时传输语音、图像和数据等多媒体信息。
The thesis introduces a multimedia telecommunication system based on ISDN. In this system, S - interface is implemented using a digital telephone, which provides access capability of 2B + D and has call control functions. It can be used for simple voice telecommunication, or for the synchronous transmission of voice, image and data.
出处
《现代电子技术》
2004年第6期68-69,共2页
Modern Electronics Technique