Camp-on service is a TCL/IVR script that handles calls to busy extensions. Caller will hear an announcement and music on hold. Once the extension is free again, it will be forwarded the waiting call.
There is a feature called “callback" that does this feature.
There are three basic steps to configure the Callback feature:
Activate the Cisco extended Functions Service.
Create the Softkey Template.
Assign the Softkey Template to an IP phone.
