Hi, >183 should always take an SDP. >But the gateway could send a 180 first, then a 183 with SDP.
I don't know what you mean by "should always take", but it is allowed to send 183 without SDP (unless the offer/answer rules requires SDP to be included). Regards, Christer > > -----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 > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
