Panasonic KX-TDA15 Features Manual page 236

1.19 Integrated Services Digital Network (ISDN) Service Features
• COS programming determines the extensions that are able to use this feature.
Programming Manual References
PC Programming Manual
3.8.8 [2-6-1] Numbering Plan—Main—Features—ISDN-FWD (MSN) Set / Cancel / Confirm
3.8.11 [2-7-1] Class of Service—COS Settings—CO & SMDR—CF (MSN)
PT Programming Manual
None
Feature Guide References
1.3.1.2 Call Forwarding (FWD)
2.2.1 Class of Service (COS)
User Manual References
1.5.1 Forwarding Calls
236 Feature Guide