imwoohan 发表于 2012-12-17 12:54
爱总,你这个RAB Modification的包,我用 "sccp.dlr == 0x80fc69 || sccp.slr == 0x80fc69" 过滤了一下,发 ...
这个感觉应该还是符合规范的。 因为这个是SCTP消息的multile steam特性,这三个消息是放在一起发送的。GMM Information是Attach流程的一部分。是一个可选的消息,可参考23.060。另外,Common ID是SGSN为RNC提供用户的IMSI,帮助RNC建立IMSI和RRC连接的关联并可用于寻呼的目的。参考TS25.413。如下:“ The purpose of the Common ID procedure is to inform the RNC about the permanent NAS UE Identity (i.e. IMSI) of a user. This is used by the RNC e.g. to create a reference between the permanent NAS UE identity of the user and the RRC connection of that user for UTRAN paging co-ordination. ”。 |