6.1.3 Flexible Buttons
Description
You can customize the flexible buttons and/or programmable feature (PF) buttons on PTs, Add-on Key
Modules, and PSs through either system or personal programming. They can then be used to make or receive
intercom or CO line calls or be used as feature buttons, as follows:

[Button Usage]

Button Usage
Single-CO (S-CO) Used to access a specified CO line for making or receiving calls. (®
3.1.14 CO Line Access)
Group-CO (G-CO) Used to access an idle CO line in a specified trunk group for making
calls. Incoming calls from CO lines in the assigned trunk group arrive
at this button. (® 3.1.14 CO Line Access)
Loop-CO (L-CO) Used to access an idle CO line for making calls. Incoming calls from
any CO line arrive at this button. (® 3.1.14 CO Line Access)
Direct Station Selection (DSS) Used to call an extension with a one-touch operation. (®
9.1.13 Intercom Call)
Network Direct Station Selection
(NDSS)
Used to access an extension at another PBX within the same network.
(® 13.1.15 Private Network Features—NDSS (Network Direct
Station Selection))
One-touch Dialing Used to call a preprogrammed party or access a feature with a
one-touch operation. (® 12.1.4 One-touch Dialing)
Incoming Call Distribution (ICD)
Group
Used to access a specified incoming call distribution (ICD) group for
making or receiving calls. (® 9.1.1 ICD GROUP FEATURES)
Message Used to leave a Message Waiting indication or call back the party who
left the Message Waiting indication. (® 11.1.3 Message Waiting)
FWD/DND (External/Internal/
Both)*1
Used to set the FWD or DND feature for the extension. The feature
is applied to CO line calls, intercom calls, or both. (® 6.1.7 FWD/
DND Button, Group FWD Button)
Group FWD (External/Internal/
Both)
Used to set the FWD feature for a specified ICD group. The feature
is applied to CO line calls, intercom calls, or both. (® 6.1.7 FWD/
DND Button, Group FWD Button)
Account Code Entry (Account) Used to enter an account code. (® 1.1.2 Account Code Entry)
Conference Used to establish a multiparty conversation. (® 3.1.16 Conference)
Terminate Used to disconnect the current call and make another call without
hanging up. (® 6.1.2 Flash/Recall/Terminate)
External Feature Access (EFA) Used to send a flash/recall signal to the telephone company or host
PBX to access external features. (® 5.1.1 EFA (External Feature
Access))
Call Park Used to park or retrieve a call in a preset PBX parking zone. (®
3.1.5 Call Park)
Call Park (Automatic Park Zone) Used to park a call in an idle PBX parking zone automatically. (®
3.1.5 Call Park)
Document Version 2008-11 Feature Manual 107
6.1.3 Flexible Buttons