Is the following case legal? UAC UAS INVITE/SDP -------------------> <-------------------------------- 200/SDP, UPDATE/SDP ----------------> <------------ 200 for UPDATE/SDP ACK(no SDP) ------------------>
There is no PRACK in the call flow. Thanks, kaiduan ----- Original Message ---- From: Bob Penfield <[EMAIL PROTECTED]> To: Manpreet Singh <[EMAIL PROTECTED]>; "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>; "sip-implementors@lists.cs.columbia.edu" <sip-implementors@lists.cs.columbia.edu> Sent: Friday, April 11, 2008 5:54:36 PM Subject: Re: [Sip-implementors] Offer/Answer question Yes. The 200 OK (or the 180 if using 100rel) MUST have the answer. cheers, (-:bob -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Manpreet Singh Sent: Friday, April 11, 2008 1:47 PM To: [EMAIL PROTECTED]; sip-implementors@lists.cs.columbia.edu Subject: [Sip-implementors] Offer/Answer question For an INVITE carrying an offer, does the offer/answer has to complete within the INVITE transaction? Can it complete outside the transaction but within the same dialog? Call flow is: -------------->Invite ( offer ) <------------180 ( ringing ) <------------200OK ( empty..no offer ) ------------->ACK <------------Re-Invite ( Answer to offer in first invite ) -------------->200OK <--------------ACK M _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors __________________________________________________________________ Ask a question on any topic and get answers from real people. Go to Yahoo! Answers and share what you know at http://ca.answers.yahoo.com _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
