[Freeswitch-users] RFC2833 double-digits

[Ben Jones]

Testing was done with SJphone for Mac, dtmfmode rfc2833 pt 101.

Hopefully this debug log can help:
http://pastebin.freeswitch.org/9374

If I need to add, change, whatever, let me know. Thanks for the help.

-benj

Brian West wrote:
> What device are you using?  RTP traces, debug logs something to see what 
> might be taking place.?!?!
> 
> /b
> 
> On Jun 12, 2009, at 1:59 PM, Ben Jones wrote:
> 
>> Hi all,
>>
>> We're running into a problem with rfc2833. Here's the situation:
>>
>> A registered SIP endpoint sends DTMF as rfc2833 to our FreeSWITCH.
>> The FS console shows it receives the digits once.
>> We send the call to a tier-1 carrier
>> The digits are played read back, but often the first several digits are 
>> repeated, i.e., 'Sorry, 1, 1, 2, 2, 3, 4 is not a valid password' when 
>> the user entered '1234.'
>>
>> When I was testing this recently, the call was sent to a Cisco gateway, 
>> which the documentation* states has problems with rfc2833, just like 
>> Sonus gateways, although that should be fixed past revision 10744.
>>
>> When using inband, everything works great. We are using 
>> start_dtmf_generate in the outbound dialplan. DTMF to tier-1 providers 
>> is inband. My initial thought was that the tier-1 was receiving rfc2833 
>> and inband, but it's not consistent.
>>
>> I'm sure more information will be requested of me to help troubleshoot, 
>> so please let me know. Any advice would be very much appreciated.
>>
>> *http://wiki.freeswitch.org/wiki/RTP_Issues
> 
> Brian West
> brian at freeswitch.org <mailto:brian at freeswitch.org>
> 
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-- 
Ben J. -- Support Engineer II
Teliax, Inc - Denver, CO
tips and faqs at help.teliax.com