[Asterisk-Users] TDM01B answering issue

[Mohammad Shokuie]

Hi there,

As a matter of fact its an awfull issue specially when you are using auto 
announcement systems. As far as i know its possible to solve this problem on 
analog boards with tone detection and VAD algorithems but dont think there 
is anything out there you can use with asterisk and TDM boards,

Regards.
---
M. Shokuie Nia


>From: chawki hammoud <cyhammoud at yahoo.com>
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>To: Asterisk Users Mailing List - Non-Commercial 
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>Subject: Re: [Asterisk-Users] TDM01B answering issue
>Date: Sun, 18 Dec 2005 00:19:06 -0800 (PST)
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>Hi:
>I saw a hardware in  callshops that attached to
>analoge line and begin counting from the time call is
>answered to the time it hangup ,So is there
>ant hardware or a software added to asterisk to solve
>this answering issue?
>
>--- Steve Underwood <steveu at coppice.org> wrote:
>
> > Andrew Kohlsmith wrote:
> >
> > >On Saturday 17 December 2005 22:13, Eric
> > "ManxPower" Wieling wrote:
> > >
> > >
> > >>*sigh*  Analog Zap FXO ports consider the call
> > "answered" as soon as
> > >>it's finished throwing the DTMF at the telco.
> > This is because a Zap
> > >>port CAN'T tell when an analog call has been
> > answered.
> > >>
> > >>
> > >
> > >Bah, you're absolutely correct.  I keep forgetting
> > about POTS; I think PRI
> > >when I think Zap.
> > >
> > >
> > Its not absolutely correct, but its relatively
> > correct. :-)
> >
> > The above is true for most analogue lines around the
> > world. However,
> > there are some places which provide a positive
> > answer indication on
> > analogue lines. The form varies, but it is typically
> > a reversal of line
> > power, or a short timed break in line power.
> > Similarly, while most of
> > the world's analogue lines no longer provide a
> > positive indication of
> > hangup, some still do. Again, this is usually by
> > reversal or a short
> > timed break.
> >
> > Steve
> >
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