基于PJSIP协议的VoIP软电话系统的开发设计  

Development and Design of VoIP Soft-telephone System Based on PJSIP Protocol

作　　者：张平波[1] 何纬[1] Zhang Pingbo;He Wei(The 28th Institute of China Electronics Technology Group Corporation,Nanjing 210007,China)

机构地区：[1]中国电子科技集团公司第28研究所,南京210007

出　　处：《信息化研究》2019年第1期51-57,共7页INFORMATIZATION RESEARCH

摘　　要：伴随下一代网络的核心技术软交换的发展,语音通信控制系统最终将由基于电路交换的语音系统向以软交换为核心的语音通信控制系统演变。文章针对软电话系统总体框架组成,提出并分析基于PJSIP协议栈的软电话模块设计,并构建了软电话和PJSIP协议栈的状态机,最后分析了PJSIP协议栈的重要函数,以提供一种设计软电话的方式。According to the development of NGN core soft-switch technology,voice communication control system will ultimately evolve from the circuit-switch voice system to the soft-switch voice system.Aiming at the composition of the soft telephone main framework,the soft telephone modular design based on PJSIP protocol is brought forward and analyzed.And the state machine of soft telephone and PJSIP protocol stack is constructed.Finally the important functions of PJSIP protocol stack are analyzed to provide one method of developing VoIP soft telephone.

关 键 词：软电话 PJSIP协议栈 状态机 函数 

分 类 号：TN916.2[电子电信—通信与信息系统] TP311.52[电子电信—信息与通信工程]