User guide

2
Parts checklist
Model name Model number Parts included
Analog
cordless 2-line
A2420
Analog
cordless 2-line
CTM-A2421
Analog
cordless 2-line
CTM-A2421-BATT
Analog
cordless 2-line
accessory
Petite
CTM-A242P
Analog corded/
cordless 1-line
CTM-A2510
Analog
cordless
charging base
C4000
Analog
cordless
charging base
C4001
Items contained in the respective telephone package:
Charging base
Power adapter
with RJ-45 cord
Mounting bracket
with a screw
Charging base
Mounting bracket
with a screw
Power adapter
Telephone base with
faceplate and overlay
Cordless
handset
Mounting
bracket
BY 1021
Battery Screws (2)
Power adapter
with RJ-45 cord
Telephone
line cord
Charging
stand
Charger power
adapter
HOLD FLASH
REDIAL
FIND HANDSET
MUTE
SPEAKER
VOLUME
IN USE
Corded
handset
BY 1021
Cordless
handset
Battery
Power adapter
with RJ-45 cord
Telephone
line cord
Mounting
bracket
Screws (2)Telephone base with
faceplate and overlay
Telephone base with
faceplate and overlay
Corded
handset
Mounting
bracket
Power adapter
BY 1021
Cordless
handset
Battery
Power adapter
with RJ-45 cord
Telephone
line cord
Mounting
bracket
ScrewTelephone base with
faceplate and overlay
BY 1021
Cordless
handset
Batteries (2)
Power adapter
with RJ-45 cord
Telephone
line cord
Mounting
bracket
Screws (2)Telephone base with
faceplate and overlay