Button Description & Programming Input
Direct Station Selection
(DSS)
Used to access an extension with one touch.
It is also possible to be changed to the other feature button.
Programming Input
+ Extension no.
For intercom calls, the DSS button light shows the current status as
follows:
• Off: The extension is idle.
• Red on: Your or another extension is using the line.
One-touch Dialing
*2
Used to access a desired party or system feature with one touch.
Programming Input
+ Desired no. (max. 32 digits)
Incoming Call Distribution
Group (ICD Group)
Used to access a specified incoming call distribution group for making
or receiving calls.
Programming Input
+ Incoming call distribution group extension no. (+ +
delayed ringing time [0–7])
*3
For monitoring and changing the Log-in/Log-out status of extensions,
the DSS button light shows the current status as follows:
• Off: The extension is not in the group.
• Green on: Log-in (Ready) mode
• Flashing green: Log-in (Not Ready) mode
• Red on: Log-out mode
Message
Used to leave a message waiting indication or call back the party who
left the message waiting indication.
Programming Input
The message button light shows the current status as follows:
• Off: You have no new messages.
• Red on: You have new messages.
Message for Another
Extension
Used to have a Message button for another extension.
Programming Input
+ Extension no./Incoming call distribution group extension no.
The message button light shows the current status as follows:
• Off: The other extension has no messages.
• Red on: The other extension has new messages.
136 Operating Instructions Document Version 2010-01
Customizing the Telephone