[Asterisk-Users] Overhead Paging

[Tor Roberts]

I use a $20 soundcard on the asterisk server which is set to auto 
answer. Then connected to the soundcard is a an amplified horn. Whenever 
I dial extention 555, the soundcard picks up, plays the intercom tone 
from Star trek for a second to get everyone's attention, then then I 
start talkin over the horn. In your case, all you would need is a simple 
ampifier since you already have the speakers.
Good luck,

-Tor Roberts

Deon Rodden wrote:

> I have several Cisco 7940's laying around, how do I piple the 
> speakerphone through external speakers? I understand the amplifier 
> part, but how do you get RCA/2.5mm outputs from the Cisco?
>
> For now, we just configured a "line 2" on all our phones with auto 
> answer and, using the trick found in the wiki, when we page, every 
> phone turns on and broadcasts whatever we say. However, there is an 
> antiquated speaker system in the ceiling above that nobody knows 
> anything about, it'd be neat to pipe a dedicated 7940 with Auto-Answer 
> to the above Intercom.
>
> Rich Adamson wrote:
>
>>> I am currently implementing a VoIP PBX, and need to deal with the 
>>> paging situation.  I would prefer to do paging via overhead speakers.
>>>
>>> My plan is to connect a "Paging Unit" to an FXS port of an IAD, and 
>>> assign an extension to that port.  I would then simply be able to 
>>> call that extension, and have my call patched through to the 
>>> overhead speakers.
>>>
>>> Has anyone implemented this type of setup, if so, what type of 
>>> paging unit did you deploy, did you require an external amplifier or 
>>> power supply, and how many speakers were you able to connect to the 
>>> unit?  As it stands, I will need between 4 and 8 speakers, and some 
>>> of the speakers will be 400 feet from the main telco closet.
>>>
>>> Any thoughts, comments, and suggestions that you can shed on this 
>>> topic would be much appreciated.  If you have other methods of 
>>> implementing overhead paging, I would also be interested.
>>>   
>>
>>
>> If you search the archives I think you'll find this discussed several
>> times.
>>
>> One (of many) ways to accomplish it is simply based on using a Cisco
>> 7940/7960 phone configured with paging, and pipe the audio to an
>> amplifier input. If you're planning on deploying the Cisco phones
>> already, then using that approach basically has built-in sparing
>> covered.
>>
>>
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