基于SIP协议的移动终端信令模块设计与实现
首发时间:2009-02-26
摘要:随着移动终端处理能力和智能化程度不断提高,终端所能支持的业务类型越来越丰富。与传统的话音或者短信业务相比,新出现业务所具有的属性繁多,需要有功能更强的信令协议支持以完成终端与服务器的连接和协商。会话发起协议(SIP)是信令会话平面重要的会话控制协议,在建立会话连接的基础上还能为各种媒体类型提供会话协商能力,同时对NGN和3G IMS都能提供很好的支持。因此,在移动终端中应用SIP协议对支持移动多媒体业务有重要意义。本文分析了SIP协议的技术背景,将一种成熟的SIP协议开源实现oSIP移植到移动终端中,设计实现了移动终端上的SIP信令模块。
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The Design and Implementation of Mobile Terminal Signaling Module Based on SIP
Abstract:With the development of mobile terminal technology, nowadays, mobile terminal support more and more mobile applications. These novel applications have variety properties and media types. To support these applications, more effective signaling protocols are needed to accomplish session establish and session negotiation. Session initiation protocol (SIP) is a important session control protocol in signaling session plane. SIP accomplishes basic session establish and provide session negotiation capability for variety media types. SIP also supports NGN and 3G IMS effectively. To implement SIP in mobile terminal, oSIP open source protocol stack are transplanted to mobile platform. Based on oSIP, signaling module in mobile terminal is implemented.
Keywords: SIP oSIP mobile terminal signaling
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No.2968140526012356****
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