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1.18 Proprietary Telephone (PT) Features
136 Feature Guide
1.18.2 Flexible Buttons
Description
Flexible buttons are buttons whose functions can be customised through either system or personal
programming. The following types of flexible buttons are found on proprietary telephones (PTs) and/or
Direct Station Selection (DSS) Consoles:
a) Flexible CO buttons
b) Flexible DSS buttons
c) Programmable Feature (PF) buttons
d) Flexible MESSAGE button
[Button Usage]
Button Function
Single-CO (S-CO) Used to access a specified outside (CO) line for making or receiving calls (
1.5.3.3 Outside (CO) Line Access).
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 (
1.5.3.3 Outside (CO) Line Access).
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 (
1.5.3.3 Outside (CO) Line Access).
Direct Station
Selection (DSS)
Used to call an extension with a one-touch operation ( 1.5.1.1 Intercom Call).
One-touch Dialling Used to call a preprogrammed party or access a feature with a one-touch
operation ( 1.6.1.2 One-touch Dialling).
Message Used to leave a message waiting indication, call back the party who left the
message waiting indication, or play back voice messages ( 1.17.1 Message
Waiting).
Message for another
extension
Used to access messages stored for another extension ( 1.17.1 Message
Waiting).
FWD/DND (Call
Forwarding/Do Not
Disturb)
Used to set the FWD or DND feature for the extension ( 1.3.1.1 Call
Forwarding (FWD)/Do Not Disturb (DND)—OVERVIEW).
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 (
1.6.1.4
Redial).
Conference Used to establish a 3-party or 5-party conference call ( 1.13.1.2 Conference).
Caller ID Indication—
Personal
Used to inform an extension user of calls logged in his or her 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 (
1.16.2 Incoming Call
Log).