23
Telephone operation
Options while on calls
Handset speakerphone
During a call, press
/SPEAKER to switch between the speakerphone and
normal handset use.
Press
OFF/
CANCEL
, or return the handset to the telephone base or charger to
hang up.
Volume control
While on a call, you can adjust the listening volume on the handset.
To adjust the listening volume of a handset:
f
Press
VOL or VOL on the handset while on a call.
Mute
Use the mute function to turn off the microphone. You can hear the caller, but
the caller cannot hear you.
To mute a call:
f
While on a call, press
MUTE on the handset. The screen displays Muted until
the mute function is turned off.
To end mute a call:
f
Press
MUTE on the handset again and resume speaking. The screen briefly
displays
Microphone on.
Mute is automatically canceled when you end the call.
Temporary tone dialing
If you have pulse (rotary) service only, you can switch from pulse to touch-tone
dialing temporarily during a call. This is useful if you need to send touch-tone
signals to access your telephone banking or long distance services.
During a call:
1. Press
TONE on the handset.
2. Use the dialing keys to enter the relevant number. The telephone sends
touch-tone signals.
3. The telephone automatically returns to pulse dialing after you end the call.