[Kamailio-Users] Recording RTP session

[Vikram Ragukumar]

Hector,

> Just out of curiosity, could you please share your config file? 
> 
> If I don't do the NAT detection and try using the function force_rtp_proxy and cannot hear sound in any direction, the called gets disconnected and see the following in the log
> 
> Mar 26 14:15:11 openser /usr/sbin/openser[19389]: ONREPLY_ROUTE
> Mar 26 14:15:11 openser /usr/sbin/openser[19389]: ERROR:nathelper:extract_body: message body has length zero
> Mar 26 14:15:11 openser /usr/sbin/openser[19389]: ERROR:nathelper:force_rtp_proxy2_f: can't extract body from the message

 From the log it appears that you are trying to read the SDP from a SIP 
message that does not contain an SDP. You might have to qualify your 
force_rtp_proxy() call with an appropriate 'if' statement.

Regards,
Vikram.


> 
> Regards
> 
> Héctor
> 
> -----Original Message-----
> From: Klaus Darilion [mailto:klaus.mailinglists at pernau.at] 
> Sent: Freitag, 26. März 2010 14:08
> To: Ortiz Héctor, SCS-SIS-ICC-SPC-SBU
> Cc: users at lists.kamailio.org
> Subject: Re: [Kamailio-Users] Recording RTP session
> 
> 
> 
> Am 26.03.2010 12:15, schrieb Hector.Ortiz at swisscom.com:
>> Hi, I solved my issue. There was nothing wrong with my configuration.
>>
>> RTPProxy wasn't being enforced because the SIP Phone wasn't being detected as being behind NAT.
> 
> This is why I always remove NAT-detection as I want the rtpproxy in all 
> cases.
> 
> regards
> klaus
> 
>> I disabled SIP ALG on my ADSL Modem and now RTPProxy is being enforced and I'm able to do the recording. Now I have to find out how can I play the stored audio.
>>
>> Thanks for your help
>>
>> Héctor
>>
>> -----Original Message-----
>> From: Klaus Darilion [mailto:klaus.mailinglists at pernau.at]
>> Sent: Dienstag, 23. März 2010 16:01
>> To: Ortiz Héctor, SCS-SIS-ICC-SPC-SBU
>> Cc: users at lists.kamailio.org
>> Subject: Re: [Kamailio-Users] Recording RTP session
>>
>>
>>
>> Am 23.03.2010 09:57, schrieb Hector.Ortiz at swisscom.com:
>>> How can I then troubleshoot that it is really enforcing it?
>> You have to put xlog() statements in your config (e.g. after an if ()
>> statement in the blocks) and then watch syslog for the xlog messages -
>> this is the way how you trace how a message is processed by the script.
>>
>> btw: if you always want to enforce the media relay then remove the if()
>> conditions before the force_rtp_proxy calls.
>>
>> klaus
> 
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