User guide

Step by step

Basic functions

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.

n and \ Hold down the key and replace the handset. Then re-

lease the key and proceed with your call.

If , 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 as required Æ page 111.

Speakerphone mode is only available in

OpenStage 20/20 G.

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 24)