Hi, UAS should send responsewith to-tag. If w/o to-tag, UAC should do half dialog matching and close this dialog.( only not supported falk proxy.) If you want to support falk proxy, then UAC must ignore response w/o to-tag.
Regards. rahul wrote: > Hi, > UAC while sending CANCEL won't include To-tag, and the 200 Ok response will > be generated by hop so there won't be To-Tag. > > Regards, > Ravi Chandra T.R > > Iñaki Baz Castillo <[EMAIL PROTECTED]> wrote: > El Thursday 14 February 2008 17:01:28 Hagai Sela escribió: > >> Hi, >> I have the following scenario: >> >> a UAC sends an INVITE >> the UAS sends 100 >> the UAS sends 183 with a to-tag >> the UAC sends CANCEL >> the UAS sends 200 OK for the CANCEL >> the UAS sends 487 on the INVITE. >> >> Should the 487 response have a to-tag? >> > > AFAIK yes, the same to_tag as the sent in 183. > > > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
