[Freeswitch-users] long DTMF

[François Delawarde]

On Tue, 2010-08-24 at 12:52 +0200, Tihomir Culjaga wrote:
> hello, i just got a question.
> 
> Is it possible somehow to achieve a DTMF collect cancel feature.
> quite hard to explain :))
> 
> 
> lets suppose you have an extension that collects some digits ... e.g.
> 123456789 .. and in the middle you realized you entered a wrong digit
> and u want to correct it. 
> Is there any way you can assign a digit e-g. * or # to interupt te
> current input and to start over again by lets say transfering back to
> the extension collecting digits?

It shouldn't be hard to do with a small lua script with an input
callback handling DTMFs.

You could even create a small DTMF editor with a digit for "backspace"
character for example, that would erase the last digit, or a digit that
would say the current sequence....

Check out:
http://wiki.freeswitch.org/wiki/Lua#session:setInputCallback

François.