[Freeswitch-users] Unreliable DTMF

[Alex Lake]

ooh! You're right....
Samsung S2 on Three fails 100% but put a T-Mobile sim in there and it 
works 100%...
But you can *hear* tones, so I wonder what's going on?
> The model of cellphone should be irrelevant for these types of issues.
> However, different cellular networks handle DTMF differently. If you see
> different results with different phones, is it because they are on
> different networks.
>
> Regards,
> Steve
>
> On 07/25/2013 09:33 PM, Alex Lake wrote:
>> I've got an application that doesn't seem to work well with DTMF coming
>> in (supposedly using rfc2833) from some phones - notably Samsung S3s.
>>
>> I have told my carrier to use rfc2833.
>> I have put dtmf-type="rfc2833" into my SIP profile.
>>
>> I see "a=fmtp:101 0-16" in the session progress message
>>
>> I was wondering what this message "Activate Buggy RFC2833 Mode" means!
>>
>> When a normal user hits a DTMF key, we get this in the log:
>>
>> 2013-07-25 13:26:19.308267 [DEBUG] switch_rtp.c:3917 RTP RECV DTMF 1:744
>> 2013-07-25 13:26:19.308267 [DEBUG] switch_channel.c:471 RECV DTMF 1:744
>>
>> Does this all indicate that rfc2833 is working?!
>>
>> Anyone else had trouble with S3s?
>>
>>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2012.0.2242 / Virus Database: 3204/6020 - Release Date: 07/25/13
>
>