/mcpEnsure that the dialed directed call park number is not already occupied by a parked call or park the call on a different directed call park number. Parked Calls Do Not Revert to the Parked Call Number Parked calls do not revert to the number that parked the call. Check the configuration of the directed call park number to ensure that it is configured to revert to the number that parked the call rather than to a different directory number. Number or Range Cannot Be Deleted Because It Is in Use When an attempt is made to delete a directed call park number or range, a message displays that indicates that the number or range cannot be deleted because it is in use. You cannot delete a directed call park number that a device is configured to monitor (by using the BLF button). To determine which devices are using the number, click the Dependency Records link in the Directed Call Park Configuration window. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 401 Receiving Calls Parked Calls Do Not Revert to the Parked Call Number