[Asterisk-Users] x100p card - detect dialtone?

[WipeOut]

Rich Adamson wrote:

>Does anyone know if there is a zapata.conf option to tell * to 
>listen for a dialtone before dialing?
>
>I've got a couple of analog phones on a pstn line shared with a
>x100p * fx line. If someone is on the analog phone and another
>person initiates a call through * to use the same line, * dials
>over the top of the existing conversation. Is there a way to have
>* detect dialtone before dialing?
>
>Rich
>
>
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>  
>
My solution to a shared line (modem and asterisk) was to use an isolator 
(somtimes called a privacy adapter)..

Basically it has two ports on one side and connectd to the line on the 
other side.. when either one of the ports is engaged in a call the other 
port is disabled..