[asterisk-users] implementing an intercom with asterisk

Matt Riddell voipproducts at gmail.com
Tue Aug 26 16:34:12 CDT 2008


We've done a similar thing at a metal worker here by running xlite on
a pc set to auto answer and with the speaker out of the pc connected
to an amplifier which runs to the speakers. One way paging though.
Sorry for the top post, doesn't let me comment inline.

On 8/27/08, Bruce Reeves <breeveslist at eusnetworks.com> wrote:
> Some one already touched on this, but my guess is the Nortel system is
> sending the page signal out to an actual paging system and the
> speakers are in the remote building or the page port on the Nortel is
> running over cat 3 copper to the other building. in either case tie it
> in to the Asterisk system via SIP ATA or FXO port on the box. I have
> done a number of these setups with an extra FXO port connected to a
> bogen or viking system, even page pac.
>
> On Tue, Aug 26, 2008 at 3:02 PM, Jonathan Disher <jdisher at parad.net> wrote:
>> On Aug 26, 2008, at 2:27 AM, Gordon Henderson wrote:
>>> Do you have some sort of IP connectivity between the sites? 400
>>> yards is a
>>> too long for copper cat5, but can be done with fibre, wireless or
>>> free-space optics... (which I don't personally recommend!)
>>
>> The current plan is wireless bridge + directional antennae.  That
>> wasn't the problem I needed to solve.
>>
>>> (And if you haven't IP how are you talking to the phones between
>>> sites?)
>>>
>>> So what's to stop you from putting a Cisco phone into auto-answer
>>> mode and
>>> calling it via ths Page() application?
>>
>> This is an industrial environment.  I'm looking for a slightly less
>> expensive (and hopefully more robust) device - whether an intercom
>> unit + ATA or a magic black box that does everything I want and has a
>> power plug and an ethernet jack.  Dedicating a $175 cisco phone to
>> this is overkill, IMO.  I had given thought to this, it is a backup
>> plan, but again, I'd like to get something perhaps less expensive to
>> the function.
>>
>> -j
>>
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>
>
>
> --
> *****************************
> Bruce Reeves, dCAp
> EUS Networks
> Office: 212-624-5943
> Web: www.euscorp.com
> ****************************
>
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Matt Riddell
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