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1.1 Before Operating a Telephone
18 Operating Manual
Customized Button Function
Single-CO (S-CO) Used to access a specified outside (CO) line for making or receiving calls.
Group-CO (G-CO)
Used to access an idle outside (CO) line in a specified outside (CO) line group
for making calls. Incoming calls from outside (CO) lines in the assigned outside
(CO) line group arrive at this button.
Other-CO (O-CO)
Used to access an idle outside (CO) line for making calls. Incoming calls from
the assigned outside (CO) lines, which are not assigned to S-CO or G-CO
buttons, arrive at this button.
Direct Station Selection (DSS)
Used to call an extension with a one-touch operation.
One-touch Dialing
Used to call a preprogrammed party or access a feature with a one-touch
operation.
Message
Used to leave a message waiting indication, call back the party who left the
message waiting indication, or play back voice messages.
Message for another extension Used to access voice messages stored for another extension.
FWD/DND (Call Forwarding/
Do Not Disturb)
Used to set the FWD or DND feature for the extension.
Save
Used to store a telephone number while in a conversation with an outside
party or while hearing a busy tone, and then easily redial the number later.
Conference Used to establish a 3-party conference call.
Log-in/Log-out Used to switch between Log-in and Log-out status.
Extension Lock Used to remotely lock or unlock another extension.
Day Used to change the time service mode to day mode.
Night Used to change the time service mode to night mode.
Lunch Used to change the time service mode to lunch mode.
Caller ID Indication—Common
Used to inform you of calls logged in the common area, store the information
of an incoming call during a conversation, and view caller information while on-
hook and then call back a caller.
Caller ID Indication—Personal
Used to inform you of calls logged in your personal area, store the information
of an incoming call during a conversation, and view caller information while on-
hook and then call back a caller.
Caller ID Selection—Common
Used to display and cycle through the information of an incoming call during a
conversation, while receiving a call, or while viewing caller information, display
the number of logged calls while on-hook, and inform you that the common
area call log is full.
Caller ID Selection—Personal
Used to display and cycle through the information of an incoming call during a
conversation, while receiving a call, or while viewing caller information, display
the number of logged calls while on-hook, and inform you that the personal
area call log is full.
2-way Record Used to record a conversation into your own mailbox.
2-way Transfer Used to record a conversation into the mailbox of a specified extension.