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1.19 Proprietary Telephone (PT) Features
174 Feature Guide
1.19.2 Flexible Buttons
Description
Flexible buttons are customised by either system or personal programming. The following
types of flexible buttons are provided on PTs, DSS Consoles, Add-on Key Modules, and/or
PSs:
a) Flexible CO buttons
b) Flexible Direct Station Selection (DSS) buttons
c) Programmable Feature (PF) buttons
[Button Usage]
Button Usage
Single-CO (S-CO) Used to access a specified trunk for making or receiving calls.
Group-CO (G-CO) Used to access an idle trunk in a specified trunk group for
making calls. Incoming calls from trunks in the assigned trunk
group arrive at this button.
Loop-CO (L-CO) Used to access an idle trunk for making calls. Incoming calls
from any trunk arrive at this button.
Direct Station Selection
(DSS)
Used to access an extension with one-touch.
One-touch Dialling Used to access a preprogrammed party or feature with one-
touch.
Incoming Call Distribution
(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.
FWD/DND (External/
Internal/Both) *
Used to perform the FWD or DND feature for the extension.
The feature is applied to trunk calls, intercom calls, or both.
Group FWD (External/
Internal/Both)
Used to perform the FWD feature for a specified incoming call
distribution group. The feature is applied to trunk calls,
intercom calls, or both.
Account Code Entry
(Account)
Used to enter an account code.
Conference Used to establish a multiparty conversation.
Terminate Used to disconnect the current call and make another call
without hanging up.
External Feature Access
(EFA)
Used to send a flash/recall signal to the telephone company
or host PBX to access their features.
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 PBX parking zone.
Call Park (Automatic Park
Zone)
Used to park a call in an idle PBX parking zone automatically.