[Asterisk-Users] Simple Front Gate Intercom

[James H. Thompson]

Some of the door phone systems are designed to share an already existing line.
For example:
    http://www.sandman.com/pdf/Page21.pdf

I believe some of the Viking configurations can do this too. For example
see the diagram here:
    http://www.vikingelectronics.com/products/pdf/c-2000(dbb).pdf



    

Jim

James H. Thompson
jht at lava.net

----- Original Message ----- 
From: "Greg Kedrovsky" <greg at iglesia-del-este.com>
To: <asterisk-users at lists.digium.com>
Sent: Thursday, February 26, 2004 10:48 AM
Subject: Re: [Asterisk-Users] Simple Front Gate Intercom


> On Thu, Feb 26, 2004 at 12:16:06PM -0800, TC wrote:
> 
> > http://www.vikingelectronics.com/products/app-notes/doorboxes.html
> > The W-1000, W-2000A and W-3000 doorboxes are designed
> > to be installed on the unused telephone line input of nearly any phone
> > system or...
> 
> Key word: "input".
> 
> My "telephone line input" is my x100p fxo card, and it is a ONE-port
> card. I have no "unused" line input on my phone system. Therefore, I'm
> hosed with these models???
> 
> Help me... I've fallen, and I can't get up...
> 
> -gk
> 
> -- 
> Mutt 1.4.1i on Slackware 9.1 Linux
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