Step by step
Basic functions
36
Switching from handset to speaker-
phone mode
Prerequisite: You are conducting a call via the handset
and the microphone and loudspeaker functions have
been activated by service personnel.
Open listening in standard mode
n and \ Hold down the key and replace the handset. Then re-
lease the key and proceed with your call.
Open listening in US mode
If open listening is set to US mode, you do not have to
hold down the loudspeaker key when replacing the
handset to switch to speakerphone mode.
n Press the key shown.
\ Replace the handset. Proceed with your call.
{ or }
Make note of the two different processes and ac-
tivate your preferred setting as required
Æ page 152.
A secure voice communication is indicated by a
closed padlock icon on the graphic display; a non-
secure voice communication is indicated by an
open padlock icon on the graphic display (see
also Æ page 32)
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