11.8.4.1. Trunk Night Service 
Incoming CO calls to the operator (attendant group) should come to
a local trunk night destination 4711, only if operator has activated
night option 7 (in the example, night option 7 is night mode to external
centralized attendant)
Parameter settings
in PBX(A):
- AMO ZAND:ATND
- INIGHT = YES
- INGHTACT = 1
- CACFWMAX >= 1
- AMO VFGR
- INIGHTPR = NO
- CASMFC = YES
- AMO VFGKZ
- ATND+ATNDDID entries required
- AMO TDCSU / TACSU
- INIGHT = 4711 (trunk night service destination number)
Parameters have to be set in all affected break-in-nodes / trunks of the network.