adjust the handset volume
Note:
This feature has been disabled in those countries/regions where
telephone regulations prohibit handset volume adjustment.
You can adjust the handset volume from Normal to Loud.
1
Pick up the attached handset.
2
Press " to decrease the volume or ! to increase the volume.
Note:
You can also adjust volume of the ring tones and dial tone. For more
information, see
adjust the ring volume
and
adjust the phone line monitor
volume
.