New subject: [Serusers] RTP Proxy and SER

30 Oct 2003

THanks for that Andrei, all sorted.

One last thing, getting a call from the PSTN to go to a soft phone 
registered with ser. I have tried a few route clauses like if 
method==invite lookup location etc but it doesn't seem to be working. Is 
there a simple thing I am missing here?

Thanks
Stephen

Andrei Pelinescu-Onciul wrote:
...
  On Oct 29, 2003 at 17:55, Stephen Miles
&lt;smiles(a)callplus.co.nz&gt; wrote:

 Hi Andrei,

I have grabbed the latest cvs version and have compiled it and seems to 
be running ok. I now get an error 5(3681) ERROR: extract_mediaip: no 
`c=' in SDP when I try to place a call from a soft phone on my laptop 
through the ser proxy running on the proxy box. Any ideas?  

 The 'c=' in SDP specifies the IP address you use for receiving media.
 It shouldn't be missing (see RFC 2327  "SDP: Session Description
Protocol").

 Also is there a way to get ser to forward/relay
registers to another server?
We have a SIP server (broadsoft) setup and I need all the register and 
call info, and calls to be routed from ser to the broadsoft server.  

 Yes, you can do this stateless or statefull.

 stateless:
 forward("server", port);

 statefull:
 make sure the tm module is loaded:

 t_relay_to_udp("server", port);

 Is it possible to set ser up as just a proxy where
it takes the client 
request and then proxies it to our other sip server?  

 Yes, see above and set ser+nathelper box as outbound proxy for you ua.

 You should also  record route everything, to make sure all the
 subsequent requests in the dialogs pass through your proxy (if you are
 using it for nat traversal you want this).
 For a record routing example see the default ser.cfg (on cvs sources in
 etc/ser.cfg) and copy the loose_route & record_route stuff.

 More info about configuring ser: http://www.iptel.org/ser/admin.html
 (a little bit outdated)

 Andrei 

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Re: [Serusers] RTP Proxy and SER