[Asterisk-Users] Cisco ATA and a PayPhone

[Madhawa Jayanath]

Mark Johnson wrote:

> I have an interesting problem.  I am attempting to install a payphone 
> utilizing a Cisco ATA-188.  The payphone actually works, but there are 
> some timing issues.  What happens is you pick up the payphone and the 
> ATA grabs a line and goes offhook.  While you monkey with putting 
> money in and dialing the number, you are eating up the time before you 
> get the offhook reorder tones (or howler tones I think).  If you can 
> put the money in and dial real fast, it works!!
>
> I have been screwing with the ATA configs for days now and can't come 
> up with a way to extend the timeout or to even disable it.  Anyone 
> have any suggestions or could recommend another method?  FX ports may 
> be an option, but they are pretty far from where these phones are 
> going to go.  As always, thanks for any input!!
>
> Mark
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Hi Mark,
I think ATA-188 supports polarity reversal.

Cheers,
~Madhawa