[Asterisk-Users] Asterisk External Ringing

[Eric Wieling]

On Wed, 2004-05-19 at 11:37, Paul Tyreman wrote:
> The problem that I have now is that when a call comes in on the
> external phone line and it is answered by a standard phone (not
> connected to Asterisk), the IP Phones that are connected to it ring
> for another two rings.
> This is very irritating especially if the call is answered on a
> standard phone in the same room as an IP Phone.
> Is there anything that can be done to fix this problem ?

How does Asterisk know the external line stopped ringing?  Currently it
can't without relying on a timeout, as far as I know.  The Zaptel
drivers could determine the line was picked up by whatever method
answering machines determine this, but I don't believe the drivers
currently support this.  

--Eric
-- 
Useful Asterisk Docs (BOOKMARK THEM!):
http://www.digium.com/index.php?menu=documentation (look at the
"Unofficial Links") and http://www.voip-info.org/wiki-Asterisk and
http://www.fnords.org/~eric/asterisk/ (my site) and
http://asteriskdocs.org/