Without an answer to offer the session can not be established. Therefore if such a final response is received without the SDP (answer) then the session should be immediately terminated by BYE.
Regards Anuradha Gupta Aricent -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of NC Reddy Sent: Thursday, November 20, 2008 3:13 AM To: sip-implementors@lists.cs.columbia.edu Subject: [Sip-implementors] Question: Does 200 OK(INVITE) without SDP isvalid response for INVITE with SDP offer? Hi, I have the following context question: UAC <------------->AS(B2BUA) | ------F1 (INVITE)---> * SDP-Offer* <-----F2: 100 Trying--- <----F3: 200 OK*(NO-SDP)*---- //Does this step is valid without SDP, ?: ------F4:ACK------------> Questions: - Does the 200 OK response without SDP -Answer is a "valid" sip response in the above context?. - If not what are the reason(s)? Regards Channa _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors "DISCLAIMER: This message is proprietary to Aricent and is intended solely for the use of the individual to whom it is addressed. It may contain privileged or confidential information and should not be circulated or used for any purpose other than for what it is intended. If you have received this message in error,please notify the originator immediately. If you are not the intended recipient, you are notified that you are strictly prohibited from using, copying, altering, or disclosing the contents of this message. Aricent accepts no responsibility for loss or damage arising from the use of the information transmitted by this email including damage from virus." _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors