From: Carlos G Mendioroz (tron@huapi.ba.ar)
Date: Mon Mar 24 2008 - 11:00:39 ART
AFAIK, every time you need to interact to external world, an E&M
interface is the way to go. E&M has independent signalling and "assume
answer" settings so you can operate a door, a pager amplifier, or
whatever your needs be.
-Carlos
PhiL @ 19/03/2008 12:41 -0200 dixit:
> I wonder if any of you have configured this: the customer wants to be able
> to unlock the reception door by dialing an extension. The door uses badge
> access and the security system is ESI. ESI told me I need a Relay Output
> Device connected to their equipment but they did not provide any vendors. I
> am assuming that this Relay Output Device will connect to an FXS port on a
> gateway and when I dial that extension I could use DTMF to unlock the door
> or even configure the FXS to auto-answer and that would unlock the door.
>
> Have any of you implemented something like this? Any suggestions of vendors
> would be very much appreciated.
>
> Thanks!
>
-- Carlos G Mendioroz <tron@huapi.ba.ar> LW7 EQI Argentina
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