SIPClient-6 基于开源代码编写SIP客户端

最新推荐文章于 2025-11-12 09:54:46 发布

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#SIP #VOIP #AVIPClient #SIPClient #SDP

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本文介绍了一款基于开源代码编写的SIP客户端MTSIPClient的设计与实现过程，涵盖了SIP协议栈的选择、SIP服务器选型及SIP协议家族等关键信息。

SIPClient-6 基于开源代码编写SIP客户端

Webcome to project:MTAVIPClient; Expecting you to join!
MTAVIPClient supports H323 and SIP protocols.
MTAVIPClient means Audio/Video over IP networkd.

1 SIP的主要协议

国际互联网工程任务组(IETF)制定了SIP协议,SIP是一个轻量级信令协议，它可以作为音频、视频、及时信息的信令。SIP协议家族使用的协议列表:

RFC 2821: SMTP协议(Simple Mail Transfer - Protocol);
RFC 2616: HTTP协议(Hypertext Transfer Protocol);
RFC 3550: RTP/RTCP协议(Real Time Transport Protocol/Real Time Control Protocol),定义了在IP网上的多媒体包格式;
RFC 2327: SDP协议(Session Description Protocol),定义了一个多媒体会话的参数和特征
RFC 2543: SIP协议1.0;
RFC 3261: SIP协议2.0.
RFC 4629 RTP Payload Format for ITU-T Rec. H.263 Video
RFC 6184 RTP Payload Format for H.264 Video
RFC 5109 RTP Payload Format for Generic Forward Error Correction

2 MTSIPClient的开源库选型

Sofia-Sip is SIP stack implementation with STUN and presense support
reSIProcate The reSIProcate project is part of the SIPfoundry community. The project aims at building a freely available, completely standards based and complete reference implementation of a SIP stack including an easy to use application layer API. The reSIProcate stack is currently used in several commercial products and is very stable.
Evaluating… Draft…

2.1 SIP协议栈开源库的选型

H323Plus项目：该项目实现了H323协议族，为基于IP网络的多媒体通信奠定了坚实基础，还扩展了323功能，增加了NAT / FW穿越解决方案。H323Plus(V1.26.8)项目依赖PTLib(V2.12.8)项目。
项目地址：https://github.com/willamowius/h323plus
API文档：https://www.h323plus.org/api/v1_26_0/index.html