In my example I had a customer whose main DID rings directly to BACD (No auto attendant)
CCA won't let you configure the ACD dn in the night service window. The work around I used without any issue was to use a floating extension. The DID (or fxo trunk) points at a floating extension which is fix call forwarded to the BACD DN (no VM, or CFNA setup) Then put the floating extension in the night service window and when the system goes into nights it grabs the calls before they get to the ACD.
Configure Multicast Paging on the Cisco IP Phone 7800 Series or 8800 Series Multiplatform Phone
The Cisco IP Phone 7800 and 8800 Series Multiplatform Phones provide voice communication over an Internet Protocol (IP) network...
Add Call Park on a Cisco 7800 or 8800 Series Multiplatform Phone Key Expansion Module
Call park allows the user of the phone to put an incoming call on hold so that the call can be retrieved on another phone. A call is park...