183 should always take an SDP. But the gateway could send a 180 first, then a 183 with SDP.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Will Quan Sent: 2007年3月15日 14:03 To: [email protected] Subject: [Sip-implementors] 183 without SDP Is it acceptable for a gateway to send a 183 without SDP and then one second later send another with SDP?--will _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
