[Freeswitch-users] DTMF Issue - Unexpected digits are receiving
Chandramouli P
mouli123 at gmail.com
Mon Nov 5 06:33:09 UTC 2018
Hello Piotr,
Thanks for your reply. But, my issue is how to regenerate this issue? That
is the main problem as I explained.
Thank you.
Regards,
Chandramouli.
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On Thu, Nov 1, 2018 at 10:21 PM Piotr Gregor <piotrek.gregor at gmail.com>
wrote:
> Hi Chandramouli,
>
> This is DTMF association to symbols:
>
> 569 *
> 570 * Tones:
> 571 * 1209 Hz | 1336 Hz | 1477 Hz | 1633 Hz
> 572 * 697 Hz '1' '2' '3' 'A'
> 573 * 770 Hz '4' '5' '6' 'B'
> 574 * 852 Hz '7' '8' '9' 'C'
> 575 * 941 Hz '*' '0' '#' 'D'
>
> If the device has different keypad from above then you need to find out
> which key it has mapped to DTMF comprised from 697 Hz/1633 Hz frequencies.
>
> cheers,
> Piotr
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