[asterisk-users] U-verse DTMF tuning for Zaptel

[David Backeberg]

On Mon, Jan 24, 2011 at 3:37 PM, Steve Edwards
<asterisk.org at sedwards.com> wrote:
> One of my clients is complaining that their customers that use U-verse (and
> other cable providers) for telephone service cannot enter credit card
> numbers reliably.
>
> The issue not all digits are received in my dialplan.
>
> The calls come in on PRI.
>
> It's an old 1.2 install, so the only tweak available is 'relaxdtmf.'
>
> Any clues on how to proceed?
>
> Would jumping to 1.6 help?

Can you record a few calls just to confirm the problem?

I've had 'dtmf issues' that really were cases of people entering data
during recordings rather than at the appropriate time in the prompts.