NEC 28i System Manual page 79

5. For the extension port selected in the previous step, enter the
Class of Service for the Night Mode + HOLD
CLS(MID1):
6. For the extension port selected in the previous step, enter the
Class of Service for the Midnight Mode + HOLD
CLS(RES1):
7. For the extension port selected in the previous step, enter the
Class of Service for the Rest Mode + HOLD
CLS(DAY2):
8. For the extension port selected in the previous step, enter the
Class of Service for the Day 2 Mode + HOLD
CLS(NIT2):
9. For the extension port selected in the previous step, enter the
Class of Service for the Night 2 Mode + HOLD
CLS(MID2):
10. For the extension port selected in the previous step, enter the
Class of Service for the Midnight 2 Mode + HOLD
CLS(RES2):
11. For the extension port selected in the previous step, enter the
Class of Service for the Rest 2 Mode + HOLD
STA PORT No?
12. Repeat from step 3 to program another extension port.
OR
HOLD to exit.
1005 - Class of Service
3-21