[Asterisk-Users] Global Intercom on SIP phones

[John Todd]

At 3:44 PM -0700 on 3/16/05, Max W Blackmer Jr wrote:
>Hello Everyone,
>
>I would like to create an Intercom extension that will dial a group of
>extensions which are connected to SIP phones. The SIP phones are setup
>to auto answer a particular extension assigned to one of the lines in
>the phone.  All phones must answer and broadcast the page message at
>the same time.
>
>Has anyone done this?  Or  should I install an overhead speaker system
>using the oss/alsa console as a broadcast. Can the local port be set to
>auto answer calls?
>
>Thank you,
>
>Max W. Blackmer,  Jr.

Yes, it's been done.

http://www.voip-info.org/wiki-Cisco+7940-7960+auto-answer+config

JT