[Users] Forwarding requests

[Harry Harcrow]

  _____  

From: Harry Harcrow [mailto:harry.harcrow at verizonbusiness.com] 
Sent: Tuesday, November 07, 2006 3:36 PM
To: 'users at openser.org'
Subject: Forwarding requests

 

I have my SER server running on a Linux machine and I am attempting to
forward some requests to a Cisco SIP server.  I have been running X-lite
clients on windows and the same Linux box that the SER server is running on.
I have no problem completing calls between the X-lite clients OR with either
X-lite client calling the Cisco SIP server directly. However, when I try to
make a call from either X-lite client through the SER server I eventually
get timeout methods.  I am trapping those calls and wrote the following
route block:

 

route [5] {

     record_route();

     forward(uri:host, uri:port);

}

 

I have tried replacing the forward with send() and t_relay() method calls,
but nothing seems to work.

 

The header from the X-lite client directly to the Cisco SIP server, which
works is:

 

INVITE sip:2158200 at 65.221.7.xxx SIP/2.0

Via: SIP/2.0/UDP
166.34.149.xxx:5061;rport;branch=z9hG4bK5963AD09C90F6F3A16F55A271C98F573

From: Harry Harcrow <sip:1000 at 166.34.149.xxx:5061>;tag=1279481120

To: <sip:2158200 at 65.221.7.xxx>

Contact: <sip:1000 at 166.34.149.xxx:5061>

Call-ID: 28E5B723-9B02-BF38-1A81-1FECC0A85D5E at 166.34.149.xxx

CSeq: 6254 INVITE

Max-Forwards: 70

Content-Type: application/sdp

User-Agent: X-Lite release 1105d

Content-Length: 313

 

The header from SER to the Cisco server, which does not work is:

 

INVITE sip:2158200 at 65.221.7.xxx SIP/2.0

Record-Route: <sip:166.34.149.xxx;ftag=2061592395;lr=on>

Via: SIP/2.0/UDP 166.34.149.xxx;branch=0

Via: SIP/2.0/UDP
166.34.149.xxx:5061;rport=5061;branch=z9hG4bK4EA9A90B8CE7CE52BFB69DA431560E5
7

From: Harry Harcrow <sip:1000 at 166.34.149.xxx:5061>;tag=2061592395

To: <sip:2158200 at 65.221.7.xxx>

Contact: <sip:1000 at 166.34.149.xxx:5061>

Call-ID: 38CA166F-59A6-E44B-F34E-9E1D6307698B at 166.34.149.xxx

CSeq: 3009 INVITE

Max-Forwards: 16

Content-Type: application/sdp

User-Agent: X-Lite release 1105d

Content-Length: 313

 

 

The only thing that I can see different is the record_route record and an
additional Via record.

 

Does anyone have any idea what I am doing wrong?

 

 

Thanks

Harry Harcrow

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