[Asterisk-Users] 911 @ Zap Channel Breakin

[Andrew D Kirch]

Mark Coccimiglio wrote:
> Ok here is one for you.
> 
> I know we all do the this for 911:
> 
> exten => _911,1,Dial(Zap/1/911)
> exten => _9911,1,Dial(Zap/1/911)
> 
> And this probably is more then acceptable for most of us.  However I
> have a system setup that uses SIP for most calls and 1 POTS line.  We
> use a "least cost" routing that uses the POTS line for local calls AND
> SIP when appropiate.  What I want to do is durring a 911 call test if
> the Zap channel is Available (probably using ChanIsAvail() ) to test the
> line.  IF the channel is in use I want to barge in with an announcment
> saying that the line is needed for an emergency and the call we be
> disconnected.  Then immediately drop the call capture the line so noone
> else can use it, wait about 5 seconds for the telco to clear the far end
> and place the 911 call.  Is this possible?
> 
> Thnaks
> Mark C
> n3whx at amsat.org
> FWD: 293625
> 
> 
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I seem to recall a script that did something similar on voip-info.org.
Look through their E911 stuff, perhaps it's still there.

Good luck.

-- 
Andrew D Kirch  |       Abusive Hosts Blocking List      | www.ahbl.org
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