[asterisk-dev] How cancel a call during the ringing phase?

[Obelix]

Quoting North Antara <north at ntbox.com>:

I have posted that question there a few times and got no replies.

I need to know if such a feature is supported in Asterisk out of the box, or
requires new functionality to be implemented in Asterisk which is why I am
asking here.

As the readers of the dev list may be advanced users, they might be able to tell
me or point me in the right direction.

Regards

Obelix


> Obelix wrote:
>
> >Is there a way to  cancel a call during the ringing phase through by
> monitoring
> >DTMF tones during the call?
> >
> >I have a prepaid application working in asterisk. When the user dials a call
> and
> >wants to cancel the call before it is answered, there is now way to do it
> >without hanging up and redialling the access number.
> >
> >Is there way to monitor a sequence of DTMF tones and cancel the call?
> >
> >If I use a SIP gateway or proxy rather than dial asterisk directly will that
> be
> >possible?
> >
> >
> This is a question for the -users mailing list.
>
> This list is for development discussion, in which your question is not
> related.
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