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

[James H. Thompson]

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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