E800 RFID IP Phone - User Manual
3.
FEATURE DESCRIPTION
3.1
MAKING CALL
3.1.1
INTERCOM CALL
This feature allows internal communication between extensions.
Operation
Off-hook
Dial
Extension No.
Talk
Or
Press one of
the Line Keys
L1-L4
Dial
Extension No.
Talk
Or
Dial
Extension No.
Press
Backspace
Soft Key to
clear the error
if require
Talk
Or
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