Intelligent Session Control anchors the call so that when DTMF commands are received, the Unified Communications Manager may perform call control functions such as hold, transfer, and so on.
To enable Intelligent Session Control features, perform the following:
First navigate to the service parameters page (System | Service Parameters).
Select the appropriate server from the Server drop-down.
Select Cisco CallManager as the Service.
Scroll down to the section titled Clusterwide Parameters (Feature -- Reroute Remote Destination Calls to Enterprise Number).
Change Reroute Remote Destination Calls to Enterprise Number to True:
Go to the section titled Clusterwide Parameters (System - Mobility).
Change Matching Caller ID with Remote Destination to Partial Match.
Change Number of Digits for Caller ID Partial Match as necessary:
