Hi ALL, till you dont receive the tag in 180, you are not creating any dialogs. Thus when you receive 180 WO to tag you will not create any dialog and just update the call state . The concept of forking and stuff comes when you receive multiple 18x with different To-tags.
cheers!! sarvpriya On Thu, Aug 26, 2010 at 5:24 PM, Tarun2 Gupta <tarun2.gu...@aricent.com>wrote: > Hi All > > > > Is 180 response received without TO tag a forked response? > > > > If the UAC sends an INVITE request and receives the first 180 response > without TO tag and the second 180 response with TO tag > > Shall the second 180 response be indentified as forked response or not? > > > > Scenario: > > * UAC sends an INVITE request. > > * UAC receives 100 Trying and 180 response (without To Tag and with > SDP, require: 100 rel, RSEQ) for Dialog 1. > > * UAC sends PRACK and receives 200 OK response for PRACK without TO > tag. > > * UAC again receives 180 response with same SDP as in the last 180 > response but contains a To-Tag for Dialog 2. > > * UAC sends PRACK and receives 200 OK response for PRACK with TO > tag. > > > > As the initial 18x response was received with out a TO tag ,shall the next > 18x response with TO tag be identified as a forked response ? > > > > Regards, > > Tarun Gupta > > Aricent > > > > > > > > > > > > > > > > > > > > > > > > > ________________________________ > "DISCLAIMER: This message is proprietary to Aricent and is intended solely > for the use of the individual to whom it is addressed. It may contain > privileged or confidential information and should not be circulated or used > for any purpose other than for what it is intended. If you have received > this message in error, please notify the originator immediately. If you are > not the intended recipient, you are notified that you are strictly > prohibited from using, copying, altering, or disclosing the contents of this > message. Aricent accepts no responsibility for loss or damage arising from > the use of the information transmitted by this email including damage from > virus." > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > -- cheers!!!! sarvpriya http://sarvpriyak.blogspot.com/ _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
