It's definitely ok for UAS to send mid-early-dialog to UAC. One scenario, I can think of is UPDATE to update early dialog session. Check RFC3311 sec 5.1
FYI -Rockson -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of I?aki Baz Castillo Sent: Saturday, August 16, 2008 8:48 PM To: [email protected] Subject: [Sip-implementors] in-dialog request from UAS to UAS during anearly-dialog? Hi, a UAC can send in-dialog request to the UAS during an early-dialog: UAC UAS ----------------------------------- INVITE ---> <-- 180 (INVITE) INFO ---> <-- 200 (INFO) <-- 480 (INVITE) ACK ----> But, can a UAS send an in-dialog request to the UAC during an early dialog? UAC UAS ----------------------------------- INVITE ---> <-- 180 (INVITE) <-- INFO 200 (INFO) --> <-- 480 (INVITE) ACK ----> Does it make sense? is illegal? -- Iñaki Baz Castillo <[EMAIL PROTECTED]> _______________________________________________ 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
