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<P><FONT size=2><FONT face="Courier New">Hi, I have a situation where Opensip is fowarding to a Cisco box, the Cisco is returning :</FONT></P>
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<P><FONT face="Courier New">SIP/2.0 483 Too Many Hops </FONT></FONT></FONT></P></DIR>
<P><FONT face="Courier New" size=2>If I dial from a registered sofphone the remote cisco accept and answer the call</FONT></P>
<P><FONT face="Courier New" size=2>I am wandering why the Cisco find a loop whe receiving this invite, I guess this could be related to the Via headers :</FONT></P>
<P><FONT size=2><BR><FONT face="Courier New">#<BR>U 222.33.55.111:5060 -> 177.202.66.121:5060<BR>INVITE sip:17031234567@177.202.66.121 SIP/2.0.<BR>Record-Route: <sip:222.33.55.111;lr;nat=yes>.<BR>Via: SIP/2.0/UDP 222.33.55.111;branch=z9hG4bKdb62.453e0001.0.<BR>Via: SIP/2.0/UDP 222.33.55.112:5060;branch=z9hG4bK0169c85e.<BR>Max-Forwards: 69.<BR>From: <sip:222.33.55.112>;tag=0169c85e.<BR>To: "17031234567" <sip:17031234567@177.202.66.121>.<BR>Max-Forwards: 69.<BR>Call-ID: </FONT><A href="mailto:23709718-17492@Gateway"><FONT face="Courier New">23709718-17492@Gateway</FONT></A><FONT face="Courier New">.<BR>CSeq: 1 INVITE.<BR>Contact: sip:222.33.55.112:5060.<BR>Content-Type: application/sdp.<BR>Content-Length: 319.<BR>P-hint: Route[6]: mediaproxy .<BR>.<BR>v=0.<BR>o=- 1267039062 1267039062 IN IP4 222.33.55.77.<BR>s=-.<BR>c=IN IP4 222.33.55.99.<BR>t=0 0.<BR>m=audio 57714 RTP/AVP 8 0 18 101.<BR>a=rtpmap:8 PCMA/8000.<BR>a=rtpmap:0 PCMU/8000.<BR>a=rtpmap:18 G729/8000.<BR>a=fmtp:18 annexb=yes.<BR>a=rtpmap:101 telephone-event/8000.<BR>a=fmtp:101 0-15.<BR>a=sqn: 0.<BR>a=cdsc: 1 image udptl t38.<BR>a=direction:active.</FONT></FONT><FONT size=2></FONT></P></BODY></HTML>