[Freeswitch-users] IAX2 DTMF -> SIP RTP not reliable

[Birgit Arkesteijn]

Hi Anthony,

Yes, I've done both and added comments & files to the bug report.

Birgit


On 12/03/08 13:17, Anthony Minessale wrote:
> nonetheless, can you please see my bugnote in jira.
> 
> =====
> can you edit /usr/local/freeswitch/conf/autoload_configs/iax.conf.xml and set the debug param to 1.
> Then reproduce the case where it's not working.
> We can see if the mod_iax is even getting the digits.
> =====
> 
> also be sure to sync to the current release by entering 
> "make current" from the build root.
> 
> 
>  
> Anthony Minessale II
> 
> 
> 
> ----- Original Message ----
> From: Birgit Arkesteijn <birgit at westhawk.co.uk>
> To: freeswitch-users at lists.freeswitch.org
> Sent: Tuesday, March 11, 2008 9:36:22 AM
> Subject: Re: [Freeswitch-users] IAX2 DTMF -> SIP RTP not reliable
> 
> Hi Anthony,
> 
> I'm fairly sure that it's not an IAX problem. IAX2 messages are properly 
> acked, sound (between IAX2 and SIP) is ok, etc, etc.
> 
> The problem is (only) with DTMF, as far as I can tell.
> It's more likely to be in core or sofia_sip?
> 
> Thanks, Birgit
> 
> 
> On 11/03/08 13:20, Anthony Minessale wrote:
>> Just to warn you we do not use mod_iax all that much.  It was used as a 
>> tool to test the core of FreeSWITCH in the early stages of development 
>> and we just kinda left it hanging around since it does at least work.  
>> We had to add a bunch of code to the stock iaxclient lib to make it 
>> threadsafe etc because the lib is designed to handle 1 or 2 calls and we 
>> are using it in a b2bua type env where hundreds of concurrent calls may 
>> be possible.  That said, since we more or less forked the code to avoid 
>> generating support issues for the other soft-phones that use iaxclient, 
>> you may want to check if there were any bugs in the real version of the 
>> library that match your issue.
>>  
>> http://sourceforge.net/projects/iaxclient
>>
>>
>> We've had little to no demand for IAX2 so we have not focused very much 
>> on it. We do have strategies for creating a more robust and perhaps even 
>> an "improved" implementation of the IAX2 protocol. Alas, it's pretty 
>> much purely an academic exercise because there is little reason to 
>> implement it.
>>
>>
>>  
>> Anthony Minessale II
>>
>>
>>
>> ----- Original Message ----
>> From: Birgit Arkesteijn <birgit at westhawk.co.uk>
>> To: Freeswitch-users at lists.freeswitch.org
>> Sent: Monday, March 10, 2008 10:52:40 AM
>> Subject: [Freeswitch-users] IAX2 DTMF -> SIP RTP not reliable
>>
>> Hi,
>>
>> We're running FreeSWITCH svn Trunk 7697 on SuSE Linux 9.3 (x86-64).
>>
>> I'm experiencing problems with DTMF:
>> The IAX2 DTMF frames aren't always transferred into RTP packets.
>> Sometimes none of the frames are translated, sometimes only the first
>> one is omitted. All the IAX2 DTMF packets are ack-ed.
>>
>> Our setup:
>> PhoneFromHere.com <http://PhoneFromHere.com> applet (IAX2 protocol)
>> -> FreeSWITCH (ns2.westhawk.co.uk <http://ns2.westhawk.co.uk>)
>> -> SIP to SystemX (sofia/default/123 at 66.212.134.192)
>>
>>
>> I searched on jira.freeswitch.org <http://jira.freeswitch.org> for a bug 
>> that could explain this, but
>> failed, so I submitted this as a bug, see
>> http://jira.freeswitch.org/browse/FSCORE-109
>>
>> Has anyone else experienced the same or a similar problem?
>>
>> Thanks, Birgit
>>


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-- Birgit Arkesteijn, birgit at westhawk.co.uk,
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