[Asterisk-Dev] Modem Detection

[Eric Wieling]

Modems do not normally send a tone when dialing, therefore Asterisk
can't detect modem calls.  I think there is a way to make a modem send a
tone when dialing, but it's not something that's commonly done.

On Mon, 2003-10-06 at 11:49, Nicholas Romero wrote:
> Quick Question.
> 
> I see how A fax is detected and handled in Asterisk but do not see any type
> of detection routine for standard modems.  Is there anyplace that looks for
> the guard tone from the answering modem and sets a state.
> 
> Would it be correct if there is not anything to add what is needed in dsp.c
> and chan_zap.c for this to work?  Where I am going with this is to add to
> monitor application a check for this and if the channel is a FAX or Modem
> exit.  There is no use for recording these states that I can think of.  I
> would also possibly add a an extension for modem for use in the scripts.
> Would not be of much use on inbound except in special case but might be
> interesting for outbound if modem detected.
> 
> Thanks,
> -Nicholas
> 
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-- 
Sample configs and more: http://www.fnords.org/~eric/asterisk/

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