NEC SL1000 Features And Specifications Manual page 743

ISSUE 2.0
5. Dial the number of the extension you want to appear on the key.
6. Press Hold key.
7. Press Speaker key.
To program a Voice Mail key on a telephone:
1. Press Speaker key.
2. Dial 851.
3. Press the key you want to program.
4. Dial 77.
5. Dial the number of the extension you want to appear on the key.
6. Press Speaker key.
Features and Specifications Manual
SL1000/SL1100
V
1-733