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Incoming Calls
BusinessPhone – Dialog 4223 Professional / Dialog 321318
Incoming Calls
Internal calls
A ringing signal and a flashing lamp indicate an incoming call. The
display shows the number and the name of the internal caller.
External calls
A ringing signal and a flashing lamp indicate an incoming call. If you
are connected to a digital trunk line (ISDN), the display shows the
number of the external caller and in case of diversion in the public
net the display shows the number of the diverted as well as the
calling party, see also section “ISDN Facilities” on page 85. A trunk
line is the same as an external line.
Answer calls
u Lift the handset.
Handsfree
Line 1 ÖÔ Press without lifting handset.
Or:
 Press without lifting handset.
You are connected to the caller via the loudspeaker and
microphone.
í Press to terminate a handsfree call.