[OpenSER-Users] [Spam:10.1] Parallel forking to loopback problem - for ringing multiple numbers at same time, simulring

[Christian Schlatter]

Dave,

Dave Singer wrote:
...
> When I test with a simple forward to a single PSTN number,
> in the loopbacked session, I rewrite the ruri accordingly with real dest 
> user and real ip address.
> the ruri shows what I want in the logs just before t_relay and exit and 
> in branch_route[1]
> after last log entry from branch_route, I have in the log:
>   ERROR:core:udp_send: sendto(sock,0xb619d954,1376,0,0xb619ba6c,16): 
> Invalid argument(22)
>   CRITICAL:core:udp_send: invalid sendtoparameters one possible reason 
> is the server is bound to localhost and attempts to send to the net

I looks like this log message explains what is going wrong here. Per 
design, every openser worker process is bound to one single UDP or TCP 
socket. That means that processes listening on localhost are not able to 
forward SIP messages to an external network.

You can check this behavior by issuing

# openserctl fifo ps

and then do

# lsof -p <PID of openser process>

Try to use the sip proxy's public IP for loopback:

   sip:5551239876@<SIP proxy public IP>
   sip:localuser3@<SIP proxy public IP>
   sip: 5553216548@<SIP proxy public IP>


/Christian

>   ERROR:tm:msg_send: udp_send failed
>   ERROR:tm:t_forward_nonack: sending request failed
> Then I have log entrys from onreply_route[1]:
>   Reply - S=100 M=INVITE RURI=<null> src_ip = 127.0.0.1 <http://127.0.0.1>
>   Reply - S=477 M=INVITE RURI=<null> src_ip = 127.0.0.1 <http://127.0.0.1>
> not the real world IP address of the other server I set in the ruri
> and there is nothing in the logs on the intended server or the local 
> server indicating routing logic for an invite failed
> 
> I'm woundering if the TM module, while processing the invite in the 
> loopback, is matching up the transaction with the session that 
> originated the loopback and using the settings and status from it.
> 
> 
> Any Ideas, Thoughts, HELP!!?
> Or is OpenSER just not ready for this yet?
> 
> Thanks Dave
> 
> 
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