Panasonic KX-TDA15 Features Manual page 376

2.2 System Configuration—Software
→ Optional Parameter (Ringing Tone Type Number) (for Time Service)
PT Programming Manual
[101] Time Service Switching Mode
[102] Time Service Starting Time
[514] Time Service Manual Switching
Feature Guide References
1.8.1 Toll Restriction (TRS)/Call Barring (Barring)
1.18.2 Flexible Buttons
2.2.1 Class of Service (COS)
2.2.3 Tenant Service
3.1 Capacity of System Resources
User Manual References
1.7.10 Checking the Time Service Status
2.1.2 Time Service Mode Control
376 Feature Guide