How can I set up the handset volume?
To change handset and handsfree volume please press:
MENU key
Audio settings (5)
choose Handset volume (1) or Handsfree volume (2)
Press OK
Choose the volume and press OK
It is also possible to change the volume during a call:
Press UP from the control key and choose the handset volume (1-5) or handsfree volume (1-5)