20 Basic functions
Switching to speakerphone mode
People present in the room can participate in your call.
Prerequisite: You are conducting a call via the handset.
n \ Hold down the key and replace the handset. Then release the key and proceed
with your call.
if nec. + or - Set the call volume.
U.S. mode
If your communication system is set to US mode (contact your service person-
nel), you do not have to hold down the speaker key when replacing the handset
when switching to speakerphone mode.
n Press the key shown.
] Replace the handset. Proceed with your call.
if nec. + or - Set the call volume.
Switching to the handset
Prerequisite: You are conducting a call in speakerphone mode.
^ Lift the handset.
n The key shown goes out.