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发明公开
CN102647397A 一种SIP会话保护的方法和系统 失效 - 权利终止

一种SIP会话保护的方法和系统
摘要：
本发明提供了一种会话初始协议会话保护方法，包括：主用会话初始协议(SIP)实体为需要保护的SIP会话选择备用SIP实体，将所述需要保护的SIP会话的相关数据备份到所述备用SIP实体，并将所述备用SIP实体的地址信息告知其邻接SIP实体；邻接SIP实体向所述主用SIP实体发送会话请求消息时，若发现主用SIP实体不能提供服务，则向备用SIP实体发送所述会话请求消息；备用SIP实体接收到会话请求消息时，代替主用SIP实体处理相关会话消息。本发明还提供了一种会话初始协议会话保护系统。本发明当主SIP实体不能提供服务时，备用SIP实体能够代替主SIP实体提供服务支持，从而实现SIP会话业务不中断的目的。
摘要（英）：

The invention provides a session initiation protocol session protection method, which includes the following steps: a master session initiation protocol (SIP) entity chooses a standby SIP entity for an SIP session to be protected, the related data of the SIP session to be protected is backed-up into the standby SIP entity, and a neighboring SIP entity is informed of the address information of the standby SIP entity; if the neighboring SIP entity discovers that the master SIP entity cannot provide service when sending a session request message to the master SIP entity, then the neighboring SIP entity sends the session request message to the standby SIP entity; and when receiving the session request message, the standby SIP entity takes the place of the master SIP entity to process related session messages. The invention also provides a session initiation protocol session protection system. When the master SIP entity cannot provide service, the standby SIP entity can take the place of the master SIP entity to provide service support, and therefore the purpose of uninterrupted SIP session service is achieved.

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