Telephone operation
26
Options while on calls
Volume control
To adjust the listening volume of a handset:
 f Press   VOLUME or   VOLUME on the handset while 
on a call.
To adjust the listening volume of the telephone base:
 f Press   VOL or   VOL while listening to the message 
playback on the telephone base.
NOTES:
 f Handset and speakerphone volume settings are independent.
 f When the volume reaches the minimum or maximum setting, 
you hear two beeps.
 
Call waiting
If you subscribe to call waiting service from your telephone service provider, 
and someone calls while you are already on a call, you hear two beeps. Press  
PHONE/FLASH to put your current call on hold and take the new call.  
Press  PHONE/FLASH at any time to switch back and forth between calls.
NOTE: Missed call waiting calls are not counted as missed calls. 
Mute
Use the mute function to turn o the microphone. You  
can hear the caller, but the caller cannot hear you. 
To mute a call:
•  While on a call, press MUTE/DELETE. When mute is on, 
the handset screen shows Muted until you turn off 
mute. 
To end mute a call:
• Press MUTE/DELETE again. When mute is off, Microphone 
on appears temporarily on the handset screen.
Muted
 
ECO
Microphone on
 
ECO