A button programmed as a Direct Station Selection/Busy Lamp Field (DSS/BLF) but-
ton provides a way to dial the associated extension with one touch. In addition, if the
button is equipped with a lamp, you can visually monitor the status of the associated
To assign an extension to a DSS/BLF button:
With the handset in the cradle, dial
Press the DSS button(s) and dial the desired extension number.
Once programmed, you can use your DSS button as follows:
You can place an intercom call to the extension that the DSS button is pro-
grammed for by pressing the button once.
You can transfer a call to the extension that the DSS button is programmed for by
pressing the button once and hanging up. (For transferred calls that are forwarded
to voice mail you will hear repeating double tones.)
You can visually monitor the status of the extension. The DSS/BLF lamps indi-
cate the status of the extension or feature assigned to the button. These indica-
tions are shown in the table below.
If the lamp is...
For the DSS buttons to work as described above, your system administrator
must define them as user-programmable in Database Programming.
The associated extension is busy, or the associated feature is enabled.
The extension is in Do-Not-Disturb.
The extension has a call ringing in.
The extension is causing a STATION OFF-HOOK system alarm.
Model 8500 Phone User Guide