关于VoIP的几项关键技术的探讨  

Analyzing on the Key Technologies of IP Phone

作　　者：左涛[1] 

机构地区：[1]南京邮电学院,江苏南京210003

出　　处：《山西电子技术》2003年第5期14-17,共4页Shanxi Electronic Technology

摘　　要：当前IP电话正受到广泛的关注 ,并得到快速发展。指出了话音分组化趋势 ,VoIP的基本体系结构 ,重点论述了VoIP的控制信令技术。最后分析了IP电话存在的技术问题和发展前景。Currently,the applications of IP Phone is concerned widely and developed rapidly.This paper introduces the basis theory and structure of IP Phone and points out the tendency of voice packets over the Internet.In addition,the control protocol for ensuring voice packets over the Internet is emphasized.Finally,the advantages and disadvantages of IP Phone are discussed,and a outlook is presented obout future development of IP phone.

关 键 词：VOIP IP电话 话音分组 体系结构 控制信令 语音编码 H.322协议 

分 类 号：TN916.2[电子电信—通信与信息系统]