[asterisk-users] [1.4] Asterisk doesn't hang up?

[Gilles]

On Tue, 15 Mar 2011 13:45:00 -0400, Paul Belanger
<pabelanger at digium.com> wrote:
>Is this an analog line?  If so, is your CO providing a disconnect tone?

Yes, it's an analog line, but it's actually VoIP provided by an RJ11
on an ADSL modem, not a real landline.

Is there a way to check how the ADLS/telco provides disconnection, ie.
whether it's through polarity reversal, open loop, or by just playing
call progress tones?

Thank you.