AT&T MERLIN LEGEND Release 2.0 Analog Direct-Line Console Operator's Manual page 90

Features
Overriding Outside Call Restriction on
Night Service
Your company can program Night Service to restrict the use
of telephones for outside calls if Night Service is activated.
When this happens, you can override the restriction as
follows:
1. Without lifting the handset, press
2. Dial the override password.
3. Lift the handset.
4. Dial the outside number as you would during work
hours.
N O T E :
Numbers programmed as Night Service emergency
numbers can be dialed without a password.
Hold.
Night Service
4-41