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简要介绍了会话初始化协议 (SIP)的基本内容 ,提出了基于 JAVA语言的 SIP协议实现方案 ,设计了 SIP协议栈的层次模型结构、二级并发机制和同步机制 ,讨论了 SIP协议栈在 PINT系统的应用
The basic content of Session Initiation Protocol (SIP) is briefly introduced. The implementation scheme of SIP protocol based on JAVA language is proposed. The hierarchical model structure, secondary concurrency mechanism and synchronization mechanism of SIP protocol stack are designed. The SIP protocol stack is discussed in PINT system Applications