The single button barge/cBarge, barge, privacy, and privacy on hold features work with each other. These features work with only shared lines.
Barge adds a user to a call that is in progress. Pressing a softkey or feature button automatically adds the user (initiator) to the shared-line call (target), and the users currently on the call receive a tone (if configured). Barge supports built in conference and shared conference bridges.
The single button barge/cBarge feature allows the user to simply press the shared-line button to be added to the call. The single button barge/cBarge feature supports built in conferences and shared conference bridges.
Perform the following steps to configure the barge feature with built in conference bridge.
Assign the Standard User or Standard Feature softkey template (both contain the barge softkey) to each device that accesses barge by using the built in conference bridge.
Set the following optional Cisco CallManager service parameters:
In the End User Configuration window for each user that is allowed to access the barge with built-in conference bridge feature, associate the device that has the barge softkey template that is assigned to it.
Notify users that the barge feature is available.