I'm not sure if anyone is that strict; however User-Agent contains non token
characters outside of comment. The 400 could also be because of the non
included/shown SDP.
User-Agent = "User-Agent" HCOLON server-val *(LWS server-val)
server-val = product / comment
product = token [SLASH product-version]
product-version = token
comment = LPAREN *(ctext / quoted-pair / comment) RPAREN
token = 1*(alphanum / "-" / "." / "!" / "%" / "*"
/ "_" / "+" / "`" / "'" / "~" )
> -----Original Message-----
> From: [email protected] [mailto:sip-
> [email protected]] On Behalf Of Nitin Kapoor
> Sent: Monday, January 23, 2012 3:23 PM
> To: [email protected]; sip-
> [email protected]
> Subject: [Sip-implementors] 400 Bad Request
>
> Dear All,
>
> I am getting 400 BAD request, whenever my UAC is sending invite to my
> SBC.
>
> INVITE sip:[email protected] SIP/2.0
> Via: SIP/2.0/UDP 69.64.69.76;rport;branch=z9hG4bKceeXvFpvFQ8XN
> Max-Forwards: 70
> From: "9544790345" <sip:[email protected]>;tag=5p0tcv0U1NrHj
> To: <sip:[email protected]>
> Call-ID: a1577f62-c09c-122f-0694-000e0cc632fc
> CSeq: 23337682 INVITE
> Contact:
> <sip:[email protected]:5060;transport=udp;gw=routetrader>
> User-Agent: vBilling - http://www.vbilling.org/
> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
> REGISTER,
> NOTIFY
> Supported: precondition, path, replaces
> Allow-Events: talk, hold, refer
> Content-Type: application/sdp
> Content-Disposition: session
> Content-Length: 236
> X-FS-Support: update_display,send_info
> Remote-Party-ID: "9544790345" <sip:[email protected]
> >;party=calling;screen=yes;privacy=off
>
> Although as per the about messege body i feel USER AGEN is not correct.
> However could you please check the above offer and help me to pinpoint
> the
> issue.
>
> Thanks,
> Nitin
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