Hi, The Answer in 200 OK must be dupliacte of the one sent in 18X if there is no Update done in between. @00 OK SDP must not be used for media processing.
Regards Sunil Verma ESN: 877-5050 Ph: +919731245000 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Alex Balashov Sent: Thursday, June 10, 2010 6:36 PM To: [email protected] Subject: [Sip-implementors] 18x+SDP then 200 OK+SDP Greetings, If in a typical INVITE transaction to set up a session there can be only one SDP offer and one answer, and the first answer is final, then why the practice of sending 18x+SDP and then sending the answer again in 200 OK? Thanks, -- Alex Balashov - Principal Evariste Systems LLC 1170 Peachtree Street 12th Floor, Suite 1200 Atlanta, GA 30309 Tel: +1-678-954-0670 Fax: +1-404-961-1892 Web: http://www.evaristesys.com/ _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors Please do not print this email unless it is absolutely necessary. The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. www.wipro.com _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
