Core Issue
The Basic Automatic Call Distribution (B-ACD) script is not invoked if changes are made to the script, and the application is not reloaded.
Resolution
In order to fix the problem, reload the application that uses the changed script.
For example, if the bacd second greeting param is changed to 15, reload the script again, the accounting and the call-queue services.
Refer to Cisco Unified CME Basic Automatic Call Distribution and Auto-Attendant Service (B-ACD) for more information.