User guide

Settings
BusinessPhone – Ericsson Dialog 4425 IP Vision74
*z# Dial a code (2 digits).
Save Press to store the code (see display).
Exit Press to return to the previous menu (see display).
Note: If you want to delete the last entered digit, press
Erase once. If you want to delete the complete number,
press Erase until no number is displayed.
Exit Press again to exit to the settings menu (see display).
Handset and loudspeaker volume
Use the volume keys to change the volume of the handset or
loudspeaker during a call.
ì Press to change the volume.
Note: You can also set the hearing level of the handset via
the settings menu. Two different levels are available.
Ringing signal volume
You can control the ringing signal volume when the telephone is
idle or when the telephone is ringing.
ì Press to change the volume.