User guide
MD PBX KEY CW
Issue 1.00
Page 16
Call from outside
- The visitor presses the function button
Speed dial
- The
red LED
the doorstation will switch
on, the line is seized. Now the speed
dial code of the desired extension can
be
dialed on the keypad
- If an error occurs the dial can be
interrupted
by pressing the buttons
A
(*)
or
B(#)
- The input should be done within
7
seconds
after the line seizure
How to use
- The extension is
called
- On the loudspeaker a
ring back tone
can
be heared
- If the extension is busy or doesn't answer
within a programmed time the line will
be dropped automatically
- If the called party
answers the call
the
handsfree device in the doorstation is
activated and the extension
can talk to
the visitor