[SR-Users] SDP IPv4 has been concatenate - no audio

Daniel-Constantin Mierla miconda at gmail.com
Fri Aug 7 17:13:58 CEST 2015


Hello,

run asterisk in debug mode to understand why is sending BYE.

Cheers,
Daniel

On 07/08/15 16:40, Loic Chabert wrote:
> Hello,
>
> I have set on the right place "route(RTPPROXY")", and now it works for
> internal calls and external calls.
> Reason: my request passing througt RTPPROXY twice ...
>
> One last problem:
> - 102 initiate a call to 101
> - 101 refuse call with a 486 response
> - as asterisk dialplan said: launch voicemail app
> - Sounds files has been read from asterisk, but after 5 secondes,
> session has been cut with a BYE request sent by Asterisk.
>
> Please find in attachement pcap trace file (91.x.x.x is wan kamailio
> interface, 10.0.247.197 is lan kamailio interface, facing to asterisk
> cluster)
>
> Why asterisk send this BYE ? Kamailio does not force him to send this
> BYE...
>
> Thanks,
> Loic.
>
>
> 2015-08-07 10:34 GMT+02:00 Daniel-Constantin Mierla <miconda at gmail.com
> <mailto:miconda at gmail.com>>:
>
>     Hello,
>
>     look at the sip traffic and see what is in SDP, if you don't get
>     audio, maybe the other ip is advertised.
>
>     Cheers,
>     Daniel
>
>
>     On 07/08/15 09:16, Loic Chabert wrote:
>>     Hello Daniel,
>>
>>     I have changed my rtpproxy by rtpengine. I have explicitly define
>>     public and private interfaces, and now it work as expected for
>>     external calls (througth PSTN).
>>     But for now, after this change, internal call (like 100 call
>>     101), does not work any more.
>>
>>     I need more investigation to see what append on my call flow.
>>
>>     I will update you asap.
>>
>>     Thanks,
>>     Regards.
>>
>>
>>     2015-08-07 9:04 GMT+02:00 Daniel-Constantin Mierla
>>     <miconda at gmail.com <mailto:miconda at gmail.com>>:
>>
>>         Hello,
>>
>>         On 30/07/15 17:38, Loic Chabert wrote:
>>>         Hello everyone,
>>>
>>>         I'm trying put kamailio in front of asterisk server farm.
>>>         Fow now, 2 asterisk servers are running and i'm trying to
>>>         make some basic calls between two UACc.
>>>
>>>         All asterisk servers has been ofuscaded from public internet
>>>         using 10.189.122.0/24 <http://10.189.122.0/24> network.
>>>         All trafic must be passed throught asterisk so RTPproxy is
>>>         used to (and used for rtp bridging).
>>>         Kamailio and rtpproxy is running with public IP address, and
>>>         private ip address (mhomed=1)
>>>
>>>         But a wired thing append on my SDP body: c line have two
>>>         rtpproxy public addresses concatenate (see my capture attached).
>>>
>>>         Any reason for this ? Only invite method from my asterisk
>>>         contains 2 publics IP addresses concatenated.
>>>
>>>         Does it mean than rtp_manage as been executed twice ?
>>>
>>         It could be that it was executed twice. As pointed in another
>>         response, look at what is received on the network and in the
>>         logs.
>>
>>         You can enable cfgtrace for debugger module in order to see
>>         what actions are executed from configuration files -- it is
>>         good to spot quickly errors in the logic of config file.
>>
>>         Cheers,
>>         Daniel
>>
>>         -- 
>>         Daniel-Constantin Mierla
>>         http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda
>>         Book: SIP Routing With Kamailio - http://www.asipto.com
>>
>>
>>         _______________________________________________
>>         SIP Express Router (SER) and Kamailio (OpenSER) - sr-users
>>         mailing list
>>         sr-users at lists.sip-router.org
>>         <mailto:sr-users at lists.sip-router.org>
>>         http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>>
>
>     -- 
>     Daniel-Constantin Mierla
>     http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda
>     Book: SIP Routing With Kamailio - http://www.asipto.com
>
>

-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Book: SIP Routing With Kamailio - http://www.asipto.com

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