Do some R & D with asterisk function AMD (Answering Machine Detection)
if that can help you.
Regards,
Faisal Hanif
On 7/9/2010 11:24 PM, Danny Nicholas wrote:
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Steve Edwards
Sent: Friday, July 09, 2010 12:10 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] False answer() being sent by cellphone
providers
On Fri, 9 Jul 2010, Mike Ely wrote:
I've set up an outbound alerting system to play a recording when systems
go
down, etc. and I'm noticing that cellphones tend to answer() and then
start
ringing the actual handset. So far, I've verified this behavior with
Verizon, T-Mobile, and Google Voice (the last produces a SERIOUS delta
between bogus answer and actual answer).
Has anyone figured out how to detect the actual cellphone answer rather
than
the bogus one sent by the cell carrier? In the short term, I just have
the
call play MOH for ten seconds before announcing that all hell has broken
loose in the server room, but it¹d be nice to have something a bit more
accurate and reliable.
How about a loop with "Please press pound to continue?"
--
It is a DAHDI "function" that you may or may not get a reliable
"notification" of answer. The best thing to do is to MOH for 7 seconds,
then play a message "this is a message from the computer room; press 1 to
accept". This lets you not waste time on a "not real" answer. Here is a
"cliff-note" context:
[accept]
exten => s,1,Answer
exten => s,n,WaitExten(7)
exten => s,n,Background(important)
exten => s,n,WaitExten(5,m)
exten => 1,1,backgrounf(message)
exten => 1,n,hangup
exten => t,1,hangup
exten => i,1,hangup
exten => *,1,hangup
--
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