| SIP协议在呼叫保持业务中的分析与实现 |
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| 引用本文： | 唐曦,谷建华,朱浩鹏.SIP协议在呼叫保持业务中的分析与实现[J].微处理机,2008,29(5). |
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| 作者姓名： | 唐曦 谷建华 朱浩鹏 |
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| 作者单位： | 西北工业大学计算机学院,西安,710072 |
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| 摘 要： | 在NGN(下一代网络)中,SIP协议是重要的协议,在3GPP的R5中定义了IMS(IPMultimedia Subsystem)域,该域的所有实体均用SIP信令通信,同时R5必须能够与R4,R99兼容。由于在R4和R99中广泛采用BICC和ISUP信令,这样就要求在R5的功能实体中实现SIP与BICC和ISUP的互通。介绍了SIP协议,在呼叫保持业务中需要用的实体以及SIP和ISUP消息,然后阐述如何通过SIP和ISUP消息参数的设置来实现这个业务。
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| 关 键 词： | 会话初始化协议 ISDN用户侧 承载独立控制协议 呼叫保持 |
Analysis and Implementation of Call-Hold Service on SIP |
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| TANG Xi,GU Jian-hua,ZHU Hao-peng.Analysis and Implementation of Call-Hold Service on SIP[J].Microprocessors,2008,29(5). |
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| Authors: | TANG Xi GU Jian-hua ZHU Hao-peng |
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| Abstract: | SIP is the important protocol at the NGN(Next Generation Network),IMS(IP Multimedia Subsystem) is defined by 3GPP in R5.All the entity in the IMS must communicate with each other by SIP,at the same moment R5 must be capability with R4 and R99.The entity in R5 must implement the SIP interworking with ISUP and BICC,for BICC and ISUP is widely adopted by R4 and R99.This paper introduce the SIP protocol,the entity during the call-hold taking place and the message of SIP and ISUP,and then it describes how to implement the service by setting the parameter of SIP and ISUP message. |
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| Keywords: | SIP(Session Initial Protocol) ISUP(ISUP User Part) BICC(Bearer Independent Call Control) Call-hold |
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