摘要
介绍了VOIP的发展及特点,对基于H.323协议的VOIP系统构成进行了介绍,详细介绍了H.323协议标准和协议的体系结构。
The developments and features of VOIP are inttriduced. A survey about the components of VOIP system based on the H,323 is pointed out, The architecture and the protcol standard of H.323 are studied
出处
《黑龙江科技信息》
2008年第27期72-72,共1页
Heilongjiang Science and Technology Information
