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1. Becoming Familiar With Your Speakerphone
Congratulations! You have purchased one of the best performing 4-line speaker-
phones on the market!
This manual is designed to familiarize you with the VT 4121. To get the most use out
of your VT 4121, we strongly recommend you read the manual before using your
phone.
INTRODUCTION
Display and Function Buttons:
and keys
• Allow you to scan through the caller
ID list.
CID
• Allows you to review calls in caller
ID memory.
END
• Used to exit the programming mode.
ERASE
• Enables you to erase a programmed
setting.
DND
• Used to place your telephone in Do
Not Disturb mode.
DIAL
• Used to dial a telephone number
from the caller ID list.
DISPLAY
CALLER ID BUTTONS
SPEED DIAL BUTTONS
LINE BUTTONS
DIAL PAD BUTTONS
FUNCTION BUTTONS
VOLUME UP & DOWN BUTTON
SPEAKERPHONE BUTTON