Panasonic KX-TDA15 Features Manual page 363

Programming Manual References
PC Programming Manual
3.8.11 [2-7-1] Class of Service—COS Settings
3.10.1 [4-1-1] Wired Extension—Extension Settings—Main—COS
3.10.10 [4-2-1] Portable Station—Extension Settings—Main—COS
PT Programming Manual
2.1.8 COS Programming
[602] Class of Service
Feature Guide References
3.1 Capacity of System Resources
User Manual References
1.2.7 Calling without Restrictions
2.2 System Configuration—Software
Feature Guide 363