Button Feature
Loop-CO (L-CO)
Used to access an idle outside line for making outside calls.
Incoming outside calls from any outside line arrive at this button.
Group-CO (G-CO)
Used to access an idle outside line in a specified outside line group for
making outside calls.
Incoming calls from outside lines in the assigned outside line group arrive
at this button.
Single-CO (S-CO) Used to access a specified outside line for making or receiving outside calls.
Direct Station Selection (DSS)
Used to access an extension with one touch.
It is also possible to be changed to the other feature button.
One-touch Dialling Used to access a desired party or system feature with one touch.
Incoming Call Distribution
Group (ICD Group)
Used to access a specified incoming call distribution group for making or
receiving calls.
Message
Used to leave a message waiting indication or call back the party who left
the message waiting indication.
Message for Another Exten-
sion
Used to have a Message button for another extension.
Call Forwarding (FWD)/Do Not
Disturb (DND)—Both calls
Used to forward all calls to a specified destination or refuse.
FWD/DND—Outside calls Used to forward outside calls to a specified destination or refuse.
FWD/DND—Intercom calls Used to forward intercom calls to a specified destination or refuse.
Group FWD—Both calls Used to forward all the calls to your group to a specified destination.
Group FWD—Outside calls Used to forward the outside calls to your group to a specified destination.
Group FWD—Intercom calls Used to forward the intercom calls to your group to a specified destination.
Account Used to enter an account code.
Conference Used to establish a multiple party conversation.
Terminate
Used to disconnect the current call and make another call without hanging
up.
External Feature Access (EFA)
Used to access special features offered by a host PBX or a telephone com-
pany.
Call Charge Reference Used to check the total call charge for your own extension.
Call Park Used to park or retrieve a call in a preset parking zone.
Call Park (Automatic Park
Zone)
Used to park a call in an idle parking zone automatically.
Call Log Used to show the incoming call information.
Call Log for ICD Group Used to have a Call Log button for incoming call distribution group.
Log-in/Log-out Used to switch between the log-in and log-out mode.
Log-in/Log-out of a specified
group
Used to have a Log-in/Log-out button for another incoming call distribution
group.
User Manual 27
1.1.1 Before Operating the Telephones
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