Speaker
• to use the speakerphone,
press the 
button, this can be done before
or during a call
Volume
volume screen
• during a call or while using
the speakerphone, use the
▲ and ▼ buttons to increase
or decrease the volume
Redial
• to redial a number, press and HOLD the 
button, then use the ▲ and ▼ buttons to select from a list of
recently dialed numbers, and press 
to make the call
redial screen
Option
