El Tuesday 17 June 2008 05:04:22 Suganya D escribió: > Hi All, > > Thank you for your responses. > > Since usage of 481 as per RFC 3261 seems to have its cons, is it > correct to interpret that the CANCEL with incorrect CSeq number is a > request that attempts to cancel a non-INVITE transaction? In case such > an interpretation is correct, can a 405 response be sent for the > CANCEL?
I don't think so. CANCEL is just valid for INVITE and not for other methods. The only scenario in which a CANCEL with incorrect CSeq can arrive to the UAS is when the CANCEL (CSeq = 1234) arrived to the UAS **before** the INVITE (CSeq = 1234). Regards. -- Iñaki Baz Castillo [EMAIL PROTECTED] _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
