[Freeswitch-users] DTMF Issue - Unexpected digits are receiving

[Chandramouli P]

Hello Abdullah,

Thank you for your reply. By following your hint, I tried to regenerate the
issue. I tried by getting voice mail beep, other beeps like receiving SMS,
WhatsApp messages etc. But, unable to simulate.

Thank you.

Best regards,
Chandramouli.

On Mon, Oct 22, 2018 at 8:00 PM Vallimamod Abdullah <vma at vallimamod.org>
wrote:

> Hi,
>
> I encountered the same issue in the past and have noticed that it was the
> mobile voicemail beep tone that was sometimes converted to 'A' dtmf on the
> isdn gateway.
>
> Maybe your case is similar?
>
>
> Best Regards,
> --
> Vallimamod Abdullah
> SIP Solutions
> vma at sip.solutions
> linkedin.com/in/vallimamod
> .
>
>
> On 22 Oct 2018, at 08:24, Chandramouli P <mouli123 at gmail.com> wrote:
>
> Hello David,
>
> Thanks for your reply and I understand. But, As I explained, we tried to
> regenerate the issue by pressing different keys on dial pad. But,
> FreeSwitch is receiving the digits as usual every time. So, which key was
> pressed by the user on dial pad to send "A"? Any assumptions?
>
> Thank you.
>
> Best regards,
> Chandramouli.
>
> On Sun, Oct 21, 2018 at 10:53 PM David Villasmil <
> david.villasmil.work at gmail.com> wrote:
>
>> From what i know, "A" is a multifrequency tone, 697hz+1633hz. Maybe the
>> client is actually sending that.
>>
>> On Sat, Oct 20, 2018, 17:54 Chandramouli P <mouli123 at gmail.com> wrote:
>>
>>> Hello,
>>>
>>> We developed an application (FreeSwitch) that receives pressed digit by
>>> the end user on mobile phone dialer through DTMF and some action will be
>>> performed. Everything is working fine till now. But, we noticed one issue
>>> recently. From the FreeSwitch log, we came to know that FreeSwitch is
>>> received the letter i.e. "A" from DTMF, instead of digit. We tried to
>>> regenerate this issue. But, when we are trying to regenerate, FreeSwitch is
>>> receiving the digit from DTMF as usual. I would like to know How FreeSwitch
>>> is received the letter i.e. "A", instead of digit. Which key was pressed by
>>> the end user on mobile phone dialer?
>>>
>>> Thank you.
>>>
>>> Best Regards,
>>> Chandramouli.
>>>
>>
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