[Serusers] nathelper

Jiri Kuthan jiri at iptel.org
Fri Jan 23 15:23:42 CET 2004


What SER version are you using? (Unless you use stable CVS branch, that's
a very likely explanation for the problem you experience.)

-jiri

At 08:19 PM 1/22/2004, Federico R. SANCHEZ Y NAPAL wrote:
>Hello: I'm using a NATed UA to terminate a call in the PSTN using a Cisco 5300. I want to use the RTP relay capability. In the script, I wrote: 
> 
>    ...
>    force_rtp_proxy();
>    rewritehost("200.60.XXX.XXX");
>    forward("200.60.XXX.XXX", 5060);
>    ...
> 
>Where 200.60.XXX.XXX is the GTW IP.
> 
>I get an error in the log: 
>    "/usr/sbin/ser[7039]: ERROR: extract_mediaip: no 'c=' in SDP"
> 
>The SIP Message sent to de GTW has a wrong content-length header, so the GTW rejects it. Here I copy the message: 
> 
>INVITE sip:2345674284618 at 200.60.30.24 SIP/2.0
>Record-Route: <sip:2345674284618 at 200.32.43.55;ftag=673501644;lr=on>
>Via: SIP/2.0/UDP 200.32.43.55;branch=0
>Via: SIP/2.0/UDP 200.68.54.46:5060;rport=25127;branch=z9hG4bKFE5D22D6B6C4407884
>2396149F64C3DE
>From: 1001 <sip:1001 at 200.32.43.55>;tag=673501644
>To: <sip:2345674284618 at 200.32.43.55>
>Contact: <sip:1001 at 200.68.54.46:25127>
>Call-ID: 107D459F-7402-480D-988A-FC87455E1E5D at 192.168.0.15
>CSeq: 31862 INVITE
>Max-Forwards: 69
>Content-Type: application/sdp
>voip-gtw04#
>User-Agent: X-Lite build 1101
>Content-Length: 315296
>v=0
>o=1001 23178458 23178458 IN IP4 200.68.54.46
>s=X-Lite
>c=IN IP4 200.32.43.55
>t=0 0
>m=audio 35052 RTP/AVP 0 8 3 98 97 101
>a=rtpmap:0 pcmu/8000
>a=rtpmap:8 pcma/8000
>a=rtpmap:3 gsm/8000
>a=rtpmap:98 iLBC/8000
>a=rtpmap:97 speex/8000
>a=rtpmap:101 telephone-event/8000
>a=fmtp:101 0-15
>a=direction:active
>I would appreciate any help about this.
>Best Regards,
> 
>_______________________________________________
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>serusers at lists.iptel.org
>http://lists.iptel.org/mailman/listinfo/serusers

--
Jiri Kuthan            http://iptel.org/~jiri/ 




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