[Asterisk-Users] ATA-186 Double Digit problems

[Tais M. Hansen]

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On Thursday 20 November 2003 04:38, John Todd wrote:
>     I'm using ATA-186 devices, with RFC2833 DTMF encoding.  I am
> having problems with routines that input long strings of numbers, in
> that I am getting more than a small number of double digit entries.
> As an example, I have a section that asks for the user to enter a
> call forwarding number, and then puts that number into a database.
> Almost always, there are double digits when the user only intended to
> type a single digit, no matter how carefully they entered their
> string.

Sounds very much like the problem we're having when using RFC2833. We're not 
using an ATA device however.

Theory:
If the endpoint doesn't properly remove the tone sound from the stream and 
sends the RFC2833 equivalent tone event, Asterisk might parse both the inband 
tone and the RFC2833 tone, which will result in two tones.

- -- 
Regards,
Tais M. Hansen
ComX Networks
Tel: +45-70257474
Fax: +45-70257374
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