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MD Evolution – Dialog 4223 Professional
Introduction to Your Extension
Extension LEDs
Most of your telephone’s fixed function keys, and line keys feature
an LED.
This is also true of the repertory keys on any additional satellite
panels that may be associated with your extension.
Each LED indicates the status of a current call or the status of the
service associated with the corresponding function key.
Status Meaning
Ô
Off
No call is processed on the line key,
or the service associated with the
function is inactive.
ÕÔ
On
There is a call on the line key, or the
service associated with the function
is active. For the Call-fwd key, this
indicates that the extension’s pre-
defined variable call forwarding for
this key is active.
ÖÔ
Slowly flashing
A call is ringing on the line key. For
the Call-fwd key, it indicates that a
variable call forwarding for the exten-
sion, programmed on a case by
case basis, is currently active.
ÖÔ
Quickly flashing A call is holding on the line key.