asterisk users - Nov 2007 - Which Variable???

Hi Gurus!

Please excuse this pesky Asterisk rookie....:-)

I just wanted to know which channel variable tells
asterisk the number of rings before an incoming call
on FXO channel is answered?

I looked through zapata.conf.sample and other places
and could not find something there readily.

Thanks,

Jeng



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Jeng Yu wrote:
> Hi Gurus!
> 
> Please excuse this pesky Asterisk rookie....:-)
> 
> I just wanted to know which channel variable tells
> asterisk the number of rings before an incoming call
> on FXO channel is answered?
> 
> I looked through zapata.conf.sample and other places
> and could not find something there readily.
There is no such setting.  Asterisk will answer as soon as the call 
comes in.  If Asterisk is configured for Caller*ID, then Asterisk will 
wait until the 2nd ring (waiting for Caller*ID information to arrive).

Jeng Yu wrote:
> Hi Gurus!
> 
> Please excuse this pesky Asterisk rookie....:-)
> 
> I just wanted to know which channel variable tells
> asterisk the number of rings before an incoming call
> on FXO channel is answered?
> 
> I looked through zapata.conf.sample and other places
> and could not find something there readily.
> 
> Thanks,
> 
> Jeng
To my knowledge, there isn't one. There are two things that affect how 
an FXO channel is answered. The first one is whether "usecallerid" is 
set on the channel. If it is set to yes on a channel that doesn't 
actually have caller ID it can cause a roughly 2 ring delay before the 
call is passed to the dial plan. The second, is based entirely on the 
dial plan. When a call comes in and is passed to an extension in a 
certain context it's up to you when/how/if the call is ever answered.

-Dave