[OpenSIPS-Users] Linphone and OpenSIPS over TCP

[Bogdan-Andrei Iancu]

The problem is not the 5 seconds timeout at sip level, is the fact that 
the end point you are trying to connect to via TCP does not accept the 
connection. You can check that via tcpdump.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 02.02.2016 11:17, Nabeel wrote:
>
> Hi Bogdan,
>
> Even if I remove the 5 second timeout by removing #modparam("tm", 
> "fr_inv_timeout", 30), the timeout occurs after about 20 seconds. What 
> do you suggest is the solution?
>
> Hi Nabeel,
>
> Your OpenSIPS tries to connect via TCP to the destination and to avoid 
> blocking it is doing it async:
>
>
> Feb  1 19:22:13 server1 opensips: Feb  1 19:22:13 [20587] 
> DBG:core:print_ip: tcpconn_new: new tcp connection to: 188.29.165.162
> Feb  1 19:22:13 server1 opensips: Feb  1 19:22:13 [20587] 
> DBG:core:tcpconn_new: on port 58985, proto 2
> Feb  1 19:22:13 server1 opensips: Feb  1 19:22:13 [20587] 
> DBG:core:proto_tcp_send: Successfully started async connection
>
> After that, in 5 seconds, the final timer hits (as timeout for no 
> reply), while the TCP connect still haven;t finished (so there is no 
> actual packet sent out).
>
> Regards,
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
> On 01.02.2016 21:35, Nabeel wrote:
>> Hi Bogdan,
>>
>> Below is the requested log for TCP call attempt. User 1111 is trying 
>> to call user 2222 via OpenSIPS server 162.248.6.120 :
>>
>> http://pastebin.com/UQ9mEemd
>>
>> On 1 February 2016 at 09:41, Bogdan-Andrei Iancu <bogdan at opensips.org 
>> <mailto:bogdan at opensips.org>> wrote:
>>
>>     Hi,
>>
>>     I strongly suggest to look into the opensips logs and see what
>>     opensips try to do with the call. Based on your saying (that you
>>     see a timeout), I suspect your OpenSIPS tries to deliver the call
>>     over TCP to a destination which does not listen on TCP.
>>     If you do not know hoe to interpret the logs, run opensips in
>>     debug=4 mode, upload the logs corresponding the INVITE execution
>>     and provide the link.
>>
>>     Regards,
>>
>>     Bogdan-Andrei Iancu
>>     OpenSIPS Founder and Developer
>>     http://www.opensips-solutions.com
>>
>>     On 31.01.2016 16:28, Nabeel wrote:
>>>     Without using alias=domain.com <http://domain.com>, TCP still
>>>     does not work.  My initial request for someone to test this
>>>     using Linphone remains. Please test and let me know if you can
>>>     call using TCP with OpenSIPS listening on an IP address.
>>>
>>>     On 31 January 2016 at 09:28, Nabeel <nabeelshikder at gmail.com
>>>     <mailto:nabeelshikder at gmail.com>> wrote:
>>>
>>>         On further testing, using the IP address instead of the
>>>         domain name in the URI setting of Linphone works with TCP,
>>>         so I think this might be to do with SRV/NAPTR records
>>>         associated with the domain.
>>>
>>>         On 31 January 2016 at 08:29, Nabeel <nabeelshikder at gmail.com
>>>         <mailto:nabeelshikder at gmail.com>> wrote:
>>>
>>>             Hello,
>>>
>>>             There seems to be a problem with calls over TCP using
>>>             Linphone, and since Linphone is a popular open source
>>>             application, I would like someone to please verify this
>>>             problem. Calls work fine with Linphone over UDP, but
>>>             after registering with TCP using the same credentials,
>>>             calls do not connect at all and lead to a request
>>>             timeout.  A request timeout does not say much about the
>>>             cause, but in this case I suspect there is something
>>>             wrong with TCP on the server side. I would like someone
>>>             to please install Linphone on your phone and connect to
>>>             your OpenSIPS server using UDP and TCP.  Please report
>>>             here if the calls work over both transports.
>>>
>>>
>>>
>>>
>>>
>>>     _______________________________________________
>>>     Users mailing list
>>>     Users at lists.opensips.org <mailto:Users at lists.opensips.org>
>>>     http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>
>>
>

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