Hope that you have verified that BYE is received on the correct call-leg of B2B UA. Suspect that such issue can happen if BYE is given on the other UAS(INVITE) side of B2BUA.
-Harbhanu On Mon, Jun 4, 2012 at 12:36 PM, Tarun2 Gupta <tarun2.gu...@aricent.com>wrote: > Hi All > > Consider the following scenario: > > > UA 1 B2BUA UA2 > Invite (From tag F1) > ---------------------------------> > Invite (From tag F2) > ----------------------------------> > 200 OK (From tag F2, To tag F2) > <--------------------------------- > 200 OK (From tag F1, > To tag F3) > <------------------------------- > ACK (From tag F1, > To tag F3) > -------------------------------> > ACK (From tag F2, > To tag F2) > ----------------------------------> > > RTP > <------------------------------------------------------------------> > > BYE (From tag F2, To tag F2, > To and From headers > reversed) > <---------------------------------- > 481 > ----------------------------------> > > > As per Section 19.3 of RFC 3261, > "When a tag is generated by a UA for insertion into a request or response, > it MUST be globally unique and > cryptographically random with at least 32 bits of randomness" > > Now, is the B2BUA right in rejecting the BYE with a 481. Can the 200 ok > from UA2 have same To and From tags? What should the B2BUA do: > > 1. On receiving the 200 OK? > 2. On receiving the BYE? > > Regards, > Tarun Gupta > Aricent > > > > > > > =============================================================================== > Please refer to http://www.aricent.com/legal/email_disclaimer.html > for important disclosures regarding this electronic communication. > > =============================================================================== > _______________________________________________ > 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
