Hi Julien, The too many hops error is generated (at least according to RFC3261) when the Max-Forward hdr gets to 0 value - it is not related at all with any other headers.
So, check the MF header in the INVITEs you send to the cisco box. Regards, Bogdan Julien Chavanton wrote: > > Hi, I have a situation where Opensip is fowarding to a Cisco box, the > Cisco is returning : > > SIP/2.0 483 Too Many Hops > > If I dial from a registered sofphone the remote cisco accept and > answer the call > > I am wandering why the Cisco find a loop whe receiving this invite, I > guess this could be related to the Via headers : > > > # > U 222.33.55.111:5060 -> 177.202.66.121:5060 > INVITE sip:[email protected] SIP/2.0. > Record-Route: <sip:222.33.55.111;lr;nat=yes>. > Via: SIP/2.0/UDP 222.33.55.111;branch=z9hG4bKdb62.453e0001.0. > Via: SIP/2.0/UDP 222.33.55.112:5060;branch=z9hG4bK0169c85e. > Max-Forwards: 69. > From: <sip:222.33.55.112>;tag=0169c85e. > To: "17031234567" <sip:[email protected]>. > Max-Forwards: 69. > Call-ID: 23709718-17...@gateway <mailto:23709718-17...@gateway>. > CSeq: 1 INVITE. > Contact: sip:222.33.55.112:5060. > Content-Type: application/sdp. > Content-Length: 319. > P-hint: Route[6]: mediaproxy . > . > v=0. > o=- 1267039062 1267039062 IN IP4 222.33.55.77. > s=-. > c=IN IP4 222.33.55.99. > t=0 0. > m=audio 57714 RTP/AVP 8 0 18 101. > a=rtpmap:8 PCMA/8000. > a=rtpmap:0 PCMU/8000. > a=rtpmap:18 G729/8000. > a=fmtp:18 annexb=yes. > a=rtpmap:101 telephone-event/8000. > a=fmtp:101 0-15. > a=sqn: 0. > a=cdsc: 1 image udptl t38. > a=direction:active. > > ------------------------------------------------------------------------ > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opensips.org/cgi-bin/mailman/listinfo/users > -- Bogdan-Andrei Iancu www.voice-system.ro _______________________________________________ Users mailing list [email protected] http://lists.opensips.org/cgi-bin/mailman/listinfo/users
