Panasonic KX-TDA50 Features Manual page 627

4.15 Private Network [9]
Feature Guide References
1.25.2.3 Network Direct Station Selection (NDSS) (KX-TDA5920 required)
NDSS Link Data - Receive (Network PBX ID)
Indicates the Network PBX ID of the PBX that the remote extension is connected to (reference only).
Default
None
Value Range
None, 1–8
Programming References
4.15.1 TIE Table [9]—Network PBX ID
Feature Guide References
1.25.2.3 Network Direct Station Selection (NDSS) (KX-TDA5920 required)
Feature Guide 627