If a UA is configured to send a message to an outbound proxy, will the proxy ever send 3XX messages back to the UA? I envision 2 scenarios - 1) The Proxy and the redirect/location server are colocated. 2) The Proxy is distinct from the redirect/location server.
In the 1st case, the proxy will determine that a message directed to UA-b should actually be sent to UA-c. In the 2nd case, the proxy will query the redirect server, the redirect server will respond (if a valid address is presented) with a 3XX message, and the proxy will send the message to the contact presented in the 3XX response. So in both cases, it seems that the originating UA will only realize that the message has been sent to an alternate location when it receives a response from the called party. On a more basic note, when does the proxy decide to use the services of the location/redirect server? Thanks, Vikram _______________________________________________ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
