User`s manual
24
Telephone operation
Options while on calls
Volume control
While on a call, press  DIR/VOLUME to increase or press 
CID/VOLUME to decrease the listening volume.
When the volume reaches the minimum or maximum 
setting, you hear two beeps.
NOTE: The handset earpiece volume setting (1-5) and speakerphone volume setting (1-6) 
are independent.
Mute
Use the mute function to turn off the microphone while on a call. You can 
hear the caller, but the caller does not hear you.
To mute the call:
Press MUTE. When mute is on, the handset screen shows 
MUTED for a few seconds and the MUTE icon appears 
until you turn off mute.
To end mute:
Press MUTE and then resume speaking. When mute 
is off, MICROPHONE ON appears temporarily on the 
handset screen. 
-OR- 
Mute is automatically canceled when you end the call.
Flash/call waiting
For more information on caller ID with call waiting, refer to About caller ID on 
page 35. If you subscribe to call waiting service provided by your telephone 
service provider, you hear a beep if someone calls you while you are already 
on a call.
Press  PHONE/FLASH to put your current call on hold 
and take the new call.
Press  PHONE/FLASH anytime to switch back and 
forth between calls.
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