[Freeswitch-users] DTMF Problems! In-band detection patchy, rfc2833 not working!

[Michael Collins]

If your DTMF detection is sketchy then I would record the calls and listen
to them. You need to make sure that the tones are coming through cleanly.
>From the symptoms you've described I have to wonder if the issue is with the
network or provider and not your FreeSWITCH box.

-MC

On Tue, May 24, 2011 at 3:29 AM, Sidharth Kshatriya <sid.kshatriya at gmail.com
> wrote:

> Thanks for your reply, Michael. I have tried doing a start dtmf but then
> I've noticed:
>
> 1.  My skype key presses get unreliable...
> 2. The dtmf detection is patchy with inband -- works sometimes and doesn't
> work sometimes :-)
>
> Any settings to keep in mind apart just adding a start dtmf ?
>
> Thanks,
>
> Sidharth
>
> On Mon, May 23, 2011 at 8:54 PM, Michael Collins <msc at freeswitch.org>wrote:
>
>> Sidharth,
>>
>> A mobile phone will always send DTMFs in-band, so you need to be ready for
>> that scenario. I recommend you add this to your dialplan for inbound calls:
>> http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_start_dtmf
>>
>> Test various scenarios and make sure they work - call from Skype, from
>> mobile phone, from a land line, etc. Let us know what happens.
>>
>> -MC
>>
>>  On Sat, May 21, 2011 at 1:11 AM, Sidharth Kshatriya <
>> sid.kshatriya at gmail.com> wrote:
>>
>>>  Dear Friends,
>>>
>>> I'm using a voip carrier Voicenetwork.ca (recommended by someone on this
>>> list). While I'm generally happy with their service there seems to be one
>>> fatal problem: My IVR does not recognize DTMF!
>>>
>>> I have set <param name="dtmf-type" value="rfc2833"/> in both
>>> sip_profile/internal.xml and sip_profile/external.xml
>>>
>>> The symptom of the problem is that making a call via skype will *always*make the IVR recognize the DTMF while using something like a mobile phone
>>> *almost always* won't!
>>>
>>> I've tried in-band detection too. I'm making international calls into my
>>> IVR and the reliability of the in-band detection is not so good, possibly
>>> because of the quality of the call.
>>>
>>> Can someone please help me?
>>>
>>> Thanks,
>>>
>>> Sidharth
>>>
>>> --
>>> Sidharth Kshatriya
>>> www.sidk.info
>>>
>>>
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>>>
>>
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>>
>
>
> --
> Sidharth Kshatriya
> www.sidk.info
>
>
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