NEC Univerge SV9100 - To Program a VM Message Key on a Telephone

1328
5. Dial the number of the extension you want to appear on the key.
6. Press Hold.
7. Press Speaker.
To program a VM Message key on a telephone:
1. Press Speaker.
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.