Author Topic: Door intercom solution wanted  (Read 627 times)

daballiemo

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Door intercom solution wanted
« on: August 09, 2010, 06:00:23 pm »
Hi all,

my ISDN pabx has finally "almost" died. So I am now seriously considering to swap all over to the Asterisk implementation of LMCE. However, there is still one small problem; i've got a door unit which passes on a press on one of the buttons to the pabx which in its turn will rings the phones in the house with a specific ring interval.

Now my question: What can be arranged re implement my doorsystem but now based on LMCE and without costing a fortune (I think 300 euro for a doorbell is a fortune). Maybe you can tell what and how you use it, so I can learn from that.

I have got a door unit with button and a whole printboard turning it into a "xyz" protocol on a little flatcable that is hooked up to the pabx. Reuse is possible. I am still trying to find the protocol it uses.
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posde

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Re: Door intercom solution wanted
« Reply #1 on: August 09, 2010, 06:21:35 pm »
If the door unit can interface to a regular phone socket, get an ATA (Google for grandstream ATA to get an idea).

daballiemo

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Re: Door intercom solution wanted
« Reply #2 on: August 09, 2010, 07:24:09 pm »
It does not interface to Ata regretfully but it has a kind of special PABX interface, but thanks for the idea.

rgds

Han
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posde

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Re: Door intercom solution wanted
« Reply #3 on: August 09, 2010, 07:42:12 pm »
The least expensive solution might be, to keep the ISDN PABX and interface that into Asterisk.