Below are the impotant parts of my oss.conf and extensions.conf that make the system work. The only problems that I had in getting this to work was finding the right soundcard. I tried serveral of them, some just work and others don't. Be prepared to try a few out.
-Tor Roberts
This is the oss.conf. I think it is the default: ; ; Open Sound System Console Driver Configuration File ; [general] ; ; Automatically answer incoming calls on the console? Choose yes if ; for example you want to use this as an intercom. ; autoanswer=yes ; ; Default context (is overridden with @context syntax) ; context=default ; ; Default extension to call ; extension=s
This is the important part of my extensions.conf:
exten => 555,1,Dial(Console/dsp,20,A(trek)) exten => 555,2,Hangup
John Bohman wrote:
Tor, could you post the relevant config entries for your paging solution.
Thanks in advance.
JB
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tor Roberts Sent: Thursday, August 26, 2004 1:26 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [Asterisk-Users] Overhead Paging
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.If you search the archives I think you'll find this discussed several times.
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.
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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