User guide
During Calls
BusinessPhone – Ericsson Dialog 4422 IP Office28
During Calls
The BusinessPhone Communication Platform allows you to handle
calls in many different ways. You can switch between handset and
monitoring, mute the microphone, make an inquiry, transfer the call,
establish a conference or put the call on hold to perform other
tasks.
Monitoring
This function lets you listen to the call via the loudspeaker while the
handset is on hook, e.g. while waiting for a called busy extension to
become free, passive listening to an ongoing telephone
conference, etc. You have an ongoing conversation via the
handset.
 Press to switch the loudspeaker on.
d Replace the handset.
When the loudspeaker key lamp is lit, you monitor the call via the
loudspeaker. The handset (including the microphone) is
disconnected. The Mute key lamp is also lit to inform you that there
is no microphone connected.
Note: You can adjust the volume, see section “Handset
and Loudspeaker Volume” on page 76.
ÄÂ Press to end the call.
From Monitoring to handset
u Lift the handset.
Continue your conversation via the handset.