Firstly , h . 323 protocol - the recommendation that describes how to provide multimedia communications services over packet - based networks is introduced in this paper 本文首先介绍了在分组交换网上构建多媒体通信系统的标准? ? h
With the communication age coming , it is becoming a necessary trend to provide digital multimedia communication service including voice , image , picture and text from end to end for consumers 随着信息时代的来临,向用户提供声、像、图、文等综合通信、实现用户端到端全数字式的多媒体通信,是现代电信技术发展的必然趋势。
Firstly , h . 323 protocol ? he recommendation that describes how to provide multimedia communication services over packet - based networks is introducesd in this article . the structure of protocol stack and the components of the h . 323 system are mainly discussed 323协议,包括协议的功能特点、协议栈结构以及协议描述的通信控制过程,从组成结构和工作方式上研究了遵循h