Panasonic KX-TDA50 Feature Manual page 323

Feature Manual References
1.1.3 ARS (Automatic Route Selection)
3.1.14 CO Line Access
3.1.20 COS (Class of Service)
16.1.4 Speed Dialing, System
17.1.5 Time Service
21.1 Capacity of System Resources
Document Version 2010-11
17.1.6 TRS (Toll Restriction)
Feature Manual 323