The System Attendant can cancel features

FEATURE CANCEL
Description
The System Attendant can cancel features such as DND, Call Forwarding and Pre-defined or Custom Messages that are active at other stations.
Operation System Attendant To deactivate DND/Call Forward/Pre-selected Message for other stations
1. Press the [PGM] button.
2. Dial ‘052’, Attendant Station Program code.
3. Dial the desired station range or the same station number twice for a single station.
4. Press the [SAVE] button, confirmation tone is heard and Attendant station returns to idle status.