[Asterisk-Users] Re: call progress - what are the sticking points?

[Nicolás Gudiño]

Hi Joe,

On Thu, 28 Oct 2004 16:41:06 +0200, Gilad Ben-Yossef
<gilad at codefidence.com> wrote:
> Joe Greco wrote:
> 
> > More difficult is the problem of knowing when the remote end has gone
> > away.  Reversal, loop break, dial tone, and just plain silence are not
> > all that unusual as methods of detection.  In some cases, you do actually
> > need to infer that the remote has gone away.
> >
> 
> 
> I understand that the phone company (sometime) doesn't provide
> information about remote hangup on POTS lines. What bugs me is the
> simple question - how does your average 10$ answering machine detects
> the hang up?

Asterisk detects hangups with busydetect and busycount just fine. At
least for me. The problem is ANSWER detection for billing purposes.

-- 
Nicolás Gudiño
Buenos Aires - Argentina