Yes, I think you can put it that way. Nenad
-----Original Message----- From: Iñaki Baz Castillo [mailto:[EMAIL PROTECTED] Sent: Friday, July 25, 2008 10:15 AM To: Nenad Milidrag Cc: [email protected] Subject: Re: [Sip-implementors] Is "received" and "rport" used in SIP TCP? El Viernes, 25 de Julio de 2008, escribió: > I think you are forgetting that TCP connection from proxy to router is not > persistent and after it is lost server will not know where to forward > incoming call for the phone behind the NAT. However, if phone used rport > it will send its public ip/port in contact header. This way all new calls > even when TCP connection times out will be properly forwarded to router and > if binding is alive on router, router will forward this to the phone. Ok ok, I understand what you mean. So registrar transport layer adds "received" and "rport" (if present) to "Via" so UAS core (the regisrtrar logic) can store it into the location backend, and it could be useful in **future** requests from the server. Is it? But anyway, "received"/"rport" in TCP is completely useless in a transaction, don't you think? -- Iñaki Baz Castillo --------------------------------------------------------------------------- This email communication may contain CONFIDENTIAL, PRIVILEGED and/or LEGALLY PROTECTED information and is intended only for the named recipient(s). Any unauthorized use, dissemination, copying or forwarding is strictly prohibited. If you are not the intended recipient and have received this email communication in error, please notify the sender immediately, delete it and destroy all copies of this email. --------------------------------------------------------------------------- _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
