Conference bridge Question

Asterisk 16

I have a conference bridge:

2065207481@ext-meetm: confbridge:206520748 State:InUse Presence:not_set Watchers 0

When this bridge is in use, I want it to have extension 999 join the bridge. When everyone leaves the bridge (only extension 999 left or the bridge or if bridge uptime is greater than 1 hour), I want extension 999 to disconnect form the bridge.


  1. How can I trigger an event to go off when the bridge is in use, that will cause the dial plan to call in extension 999?

  2. Can anyone help me with the dial plan for extension 999 to do what I am describing above?

Thanks in advance for any insights you can provide.

Two options.

  1. You can write your dialplan to run a script when the first participant joins to originate a call to 999. You can do so by checking ${CONFBRIDGE_INFO(parties.bridge)}
  2. You can have your AMI listen for the ConfbridgeStart event Asterisk 16 ManagerEvent_ConfbridgeStart - Asterisk Project - Asterisk Project Wiki and then trigger the originate.

This should be a good starting point End conference when only one participant remains - Applications / Modules - FreePBX Community Forums. However, I do remember experimenting with one of the built-in Confbridge configuration parameters which seems to be doing something similar, but I don’t recall what it was.

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