4.1
KX-T7540: Digital DSS Console
DSS Buttons with
Busy Lamp Field (BLF)
(01 through 66)
KX-T7541:Digital Attendant Console
DSS Buttons with
Busy Lamp Field (BLF)
(01 through 48)
ANSWER Button
Configuration
RELEASE Button
KX-T7545:Add-on Key Module
Expansion Flexible CO Buttons
(Outside lines 13 through 24)
57