[SIPForum-discussion] In which scenario Proxy will generate CANCEL ?

Seshagiri Kondaveti seshagiri.kondaveti at aricent.com
Thu Jun 17 04:19:08 UTC 2010

Hi All

I came across a scenario to test CANCEL which should be generated by Proxy.

In the following scenarios, which scenario is valid?

1 UAC sends INVITE to Proxy, proxy forwards the request to UAS.

Now UAS responds with 180 ringing only  but no final response , so in this case Proxy sends CANCEL to UAS  or which response ?

Now the proxy sends 408 or 480 to UAC ?

Or in the above scenario is valid only for Forking scenario only, where Proxy tries to multiple locations?

I am confused about the functionality.

Pl give your valuable suggestions.


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