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

[Steve Edwards]

> 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?

On Mon, 24 Jan 2011, David Backeberg wrote:

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

We know the problem exists -- the boss just installed U-verse at his house 
:)

Recording may have some value to see if DTMF is being received in the 
audio stream and to measure tone duration.

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

The customers enter their card number while a 'preamble' is backgrounding.

It works fine from cell and copper, just not from U-verse and their ilk.

-- 
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
Newline                                              Fax: +1-760-731-3000