The 500 response will be dropped in the first place. since there is not matching txn by that time...
No entity must send response with diff tags for the same call (even among provisional and final responses also...) Regards, Natraj ----- Original Message ----- From: "P Rajmohan Banavi-A17190" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, September 01, 2003 6:41 PM Subject: [Sip-implementors] To-Tag value > Hi, > > This is related to INVITE transaction on unreliable transport. > > UAC UAS > ------ ------ > -------------------------------> INVITE > <------------------------------- 300 Multiple choices > --------------------------------> ACK > <------------------------------- 500 Server internal error (before the Timer D fires) > --------------------------------> ACK > > Suppose the "To-tag" in the second final response (500) sent by UAS is different than the one in the initial response (300), > > 1. how should the UAC behave? > > 2. And what should be the value of the "To-Tag" in the ACK sent by UAC for 500 response? > > regards, > Rajmohan > ---------------------------------------------------------------------------- ---- > _______________________________________________ > Sip-implementors mailing list > [EMAIL PROTECTED] > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
