Hello,

I wonder if anyone has the same curiosity. Since Alice calls Bob using the SIP URI, bob@ims_domain, and finally Alice sends the RTP to Bob's IP directly, then there must be somewhere the mapping information is stored: the mapping between bob@ims_domain and the IP and UDP port # of Bob.

So I checked the cassandra DB on HSS, ran cqlsh and looked at two tables most likely to contain the IP/UDP info in my opinion, but : 1. the entries in homstead_cache:impu don't seem to have the IP/UDP information, rather it has the subscription information and ccf, ecf information of the user. 2. the entries in homestead_provisioning: service_profiles have the field "irs" filled with a hash-like value, not sure if it is encoded IP/UDP information. please advise.

Regards,
Lilin

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