vsf, vst and did are other opaque parameters (I think). Again they are probably legal grammar. You should check the grammar to see if '-' and '.' characters are allowed. (I think they are)
Regards Attila -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Nitin Kapoor Sent: 22 March 2011 15:06 To: Worley, Dale R (Dale) Cc: [email protected] Subject: Re: [Sip-implementors] Ftag Parameter in Record-Route Hello Dale/Attila, Thanks for your help on this. But i am sorry to asking you again about this. Is it making sense to you after ftag parameter. Record-Route: <sip:79.99.193.141;lr;ftag=4F6C3030343338350007D3E5;* vsf=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA--;vst=AAAAAHQEBAMFAAUABwZzAg0 deQ4XHwAKAAAKCy4xNDE-;did=9b.dcc08423> * Thanks, Nitin On Tue, Mar 22, 2011 at 10:45 AM, Worley, Dale R (Dale) <[email protected]>wrote: > In a sense, the SBC is allowed to reject any request it doesn't like > for any reason, because it is a B2BUA. > > But a well-behaved SBC should accept any syntactically valid > Record-Route header, and as far as I can tell without sending the > request through a parser, this Record-Route appears to be > syntactically correct. Note the language in RFC 3261 section 12.1.1 > emphasizes that SIP elements must be able to correctly handle > Record-Route values that contain parameters that they do not recognize. > > In order to further diagnose this problem, I would follow Attila's > advice, using SIPP to send a version of the request that had the > suspected parameter removed to see how the SBC responds to it. Or you > could contact the SBC vendor directly. > > It's possible that the SBC is rejecting the request for some entirely > different reason. Does the SBC generate a log file that you can > examine to determine why it doesn't like the request? > > Dale > _______________________________________________ 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
