[OpenSIPS-Users] Failed INVITE tcp_send

[Bogdan-Andrei Iancu]

Hi Brian,

opensipslist at encambio.com wrote:
> Hello Bogdan,
>
> An ven., déc 18, 2009, Bogdan-Andrei Iancu schrieb:
>   
>> opensipslist at encambio.com wrote:
>>     
>>>> One solution fixed both errors (assuming there really were two
>>>> different erros) as you see below.
>>>>
>>>>         
>>> Whoops I spoke too soon. It seems that patching MAX_SSL_RETRIES only
>>> fixed the 'tls_blocking_write' error. Now I still have in the log:
>>>
>>>   <error> ERROR:core:tcp_blocking_connect: timeout 10 s elapsed from 10 s
>>>   <error> ERROR:core:tcpconn_connect: tcp_blocking_connect failed
>>>   <error> ERROR:core:tcp_send: connect failed
>>>   <error> ERROR:tm:msg_send: tcp_send failed
>>>   <error> ERROR:tm:t_forward_nonack: sending request failed
>>>
>>>       
>> I guess you are trying to connect to some destination which is not
>> listening - check with tcpdump where opensips tries to open the TCP
>> connection and see if there is a really app listening there.
>>
>>     
> Seems reasonable, so I'll take your advise and start debugging with
> tcpdump. My guess is that there is some NAT problem and/or faulty IP
> number substitution in SDP (a config error basically.) The strange
> thing is that the same config was being used with OpenSER 1.3.X and
> these errors did not appear.
>
> I'll start tcpdump and report what I find.
>
>   
For sure it is after the lookup() and opensips tries to open a 
connection somwhere behind a NAT (where a TLS phone is located).

Regards,
Bogdan

-- 
Bogdan-Andrei Iancu
www.voice-system.ro