[SR-Users] strange behavior when trying to reach PSTN gateway via TCP

[Dmitry Petrakoff]

Hi Andrei, hi list!

Of course!
Will try it tomorrow morning and will report accordingly!

On 22.11.11 13:07, Andrei Pelinescu-Onciul wrote:
> On Nov 15, 2011 at 14:43, Dmitry Petrakoff <dimon at dprs-consulting.com> wrote:
>> Hi List!
>>
>> I'm running Kamailio for about 1 year without any serious problems.
>> When it works with UDP only, it runs perfectly well for us. Without any
>> major issues.
>>
>> But now we have a customer who wants to connect Lync to our network.
>> Unfortunately, Lync does not support UDP for SIP signalling, so we tried
>> to teach kamailio to send SIP messages via TCP.
>> And getting  strange error:
>>
> [...]
>> 10(36629) ERROR: <core> [tcp_main.c:2754]: 10.198.3.100:5060: connect &
>> send  for 0x28d988ac failed: Socket is not connected (57)
>> 10(36629) DEBUG: <core> [tcp_main.c:2955]: tcpconn_chld_put: destroying
>> connection 0x28d988ac (1, -1) flags 0060
>> 10(36629) ERROR: tm [../../forward.h:170]: msg_send: ERROR: tcp_send failed
> Could you try the attached patch and report back if it works?
> (I couldn't reproduce it on my ancient FreeBSD 7.1)
>
> I think the problem is that newer FreeBSD versions return ENOTCONN when
> attempting to send on a not yet fully connected socket (instead of
> EAGAIN).
>
> Andrei
> [...]