1.1 Before Operating a Telephone
16
User Manual
Customised Buttons
Throughout this manual, when the name of a button is written in parentheses, such as "(G-CO)", this means
that it is a flexible button that has been customised. To customise flexible buttons, refer to "3.1.3 Customising
the Buttons".
CONF (Conference)
:
Used to establish a 3-party or 5-party
conference call.
VOICE CALL
:
Used to answer an intercom call
automatically.
FWD/DND (Call Forwarding/Do Not
Disturb)
:
Used to set the FWD or DND feature for
the extension.
PROGRAM
:
Used to enter and exit programming
mode.
Navigator Key
:
Used to adjust the volume of the speaker,
handset and headset, and the display
contrast, or to select desired items.
Programmable Feature (PF)
:
Located in the right column of the CO
button array on certain telephones or on
the DSS Console.
Used to access a
preprogrammed feature. Mostly used as a
One-touch Dialling button.
Volume Key
:
Used to adjust the volume of the speaker,
handset and headset.
Customised 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 Dialling
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 messages (except Built-in Voice Message [BV] messages) left
for another extension or voice messages stored in another extension's Voice
Processing System (VPS) mailbox.
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 or 5-party conference call.
(PF)
