[Asterisk-Users] door phone

[Steve Kann]

For a door release, I have a cheap radio-shack device which is supposed 
to light up a lamp when a phone rings.  Basically, it has a contact 
which is activated by the ring signal on a telephone line.

I wired this up to the door release in the office, and have it hooked 
up to our (non asterisk) PBX.  So, anyone can open the door by dialing 
the extension.  The ringing itself opens it.

The radio shack doojigger was probably about 10 bucks.

-SteveK


On Nov 26, 2003, at 6:12 PM, Jon Pounder wrote:

>> Hi,
>>
>> Anyone know anything about Asterisk's support for door phones? 
>> Receiving
>> the call from the door intercom system, opening the door, etc?
>>
>> Any hardware recommendations? I understand that the equipment we have
>> now is Panasonic proprietary and came with the currently deployed
>> Panasonic TD12-32 pbx.
>>
>
> I just use an ordinary "disposable" phone, and put the zap channel in
> immediate mode. lift the phone and it starts to ring the extensions in 
> the
> context it jumps to. I can also call the doorphone just like any other
> extension and it rings when I do so. Basically the keypad is ignored on
> the phone.
>
> as for door release, I have an electric strike on my dsc alarm system, 
> but
> I have just not gotten around to making an agi that I can use to flip a
> bit on the parallel port and have that release the strike as well.
>
> (2n2222, a 10k resistor, and a pcb mount 12v relay, and a flyback 
> diode,
> hooked up to the data bit, and in parallel with the alarm release 
> relay.)
>
>
>
>>
>>
>> We intend to deploy Asterisk in a 72 extensions + 16 trunks in a 
>> while,
>> so any info will be great.
>>
>>
>>
>> thanks
>>
>>
>
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