[Asterisk-Users] Intercom system (not paging system)

[John Baker]

Great idea, James.

David, you could use the manager interface to automagically do all this.
When one person initiates a call to the speaker phone, the manager interface
could automatically send the speaker extension to the conference room.
Voila, you're both hooked up!

Check out mattf's thread, "Asterisk Manager Interface notes " on last
month's user archives and John Todd's reply to the thread "Office-wide
paging with Asterisk and Cisco 7960 7940 phones" (same month) for an idea of
how to get it to work.

If you're patient, I'm working on something similar for my Polycom phones
now, but it'll probably take me a day or so to write it.  I'll post it if it
works.

John

----- Original Message ----- 
From: James H. Thompson
To: asterisk-users at lists.digium.com
Cc: dschumann at fpcfilters.com
Sent: Monday, February 09, 2004 6:52 PM
Subject: Re: [Asterisk-Users] Intercom system (not paging system)


This may be a way to do what you described with a $20 speaker phone and no
phone modifications:
Using the speaker phone dial-in to a conference room on the asterisk
Then whenever anyone wants to call this extension, you can route their call
to the conf room and they can have a two-way conversation.

Possible Downsides:
* if call from the conference room gets terminated for any reason, then it
will have to be re-established manually.
* resources consumed to keep conference room open and call always active

Possible Advantages:
* phone only in auto-answer when you put it in that mode
* phone usable to make and receive  normal calls


Jim

James H. Thompson
jht at lava.net

----- Original Message ----- 
From: James H. Thompson
To: asterisk-users at lists.digium.com
Cc: dschumann at fpcfilters.com
Sent: Monday, February 09, 2004 1:55 PM
Subject: Re: [Asterisk-Users] Intercom system (not paging system)


There is an auto-answer speakerphone that might do what you described:


http://www.vikingelectronics.com/products/apartmententry/k-1700-3(rd).html


Jim

James H. Thompson
jht at lava.net

----- Original Message ----- 
From: David Schumann
To: asterisk-users at lists.digium.com
Sent: Monday, February 09, 2004 9:57 AM
Subject: [Asterisk-Users] Intercom system (not paging system)


I've looked around and found previous discussion about this, but so far I
have not seen any answers that really solve this problem.

I'd like to integrate an intercom system into Asterisk so that users could
dial an extension, the phone on the other end would emit a beep, and then
the speakerphone would activate letting two people have a conversation
without the person at the extension picking up the phone. This is a huge
benefit for an office/warehouse environment.

I know that this can be programmed with certain Cisco phones (set to
autoanswer), but my problem is that the phones that I want to do this with
are down in our warehouse and I think the Cisco phones would be stolen
quickly. I've also thought about a writing a software solution with
microphone and a set of speakers, but, again, the computers would probably
end up getting stolen.

A $20 analog speaker phone would work great if I could wire the speaker
phone to pick up the line automatically on ring and then hang up the line on
disconnect. Anyone know how to change the wiring to get it to work?



David Schumann <dschumann at fpcfilters.com>
Filter Products Company
P.O. Box 13068
Richmond, VA 23225
804-231-4646, phone
804-233-3912, fax
http://fpcfilters.com

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