[asterisk-users] Overhead paging over IP

[Jon Pounder]

The phones you are using might support it already (and not even need  
the system)

the grandstreams I have do, but I can't speak for any others.


Quoting JR Richardson <jmr.richardson at gmail.com>:

>>       I have a customer that has two buildings that are connected with a
>> fiber link.  We have a single Asterisk server to cover both buildings.
>> Now the customer went and bought an overhead paging system for the
>> remote building and they want to integrate it with Asterisk.  Is there a
>> device that can connect over IP or an ATA that has an audio output port?
>> The buildings are about 500 meters apart so we cannot run a cable from
>> one building to the other just for audio.
>>
> At one customer site I use a linksys ATA setup with auto answer,
> connect the tip and ring of the FXS port to the audio input of the
> overhead paging system, works fine.  Also at another customer site,
> the paging guys installed a audio input device that activates when
> ring voltage hits the line, http://www.valcom.com/v-9970.htm .
> Installed an ATA, nothing special, call that extension and device
> brings the ATA off-hook then bam, your passing audio to the paging
> system.  You can pick these up for ~$200.
>
> JR
> --
> JR Richardson
> Engineering for the Masses
>
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Jon Pounder

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