Telephone operation
Options while on calls
Call waiting
If you subscribe to call waiting service with your telephone service provider, you hear a beep if someone calls while you are in the middle of a call.
• Press FLASH to put your current call on hold and take the new call.
• Press FLASH at any time to switch back and forth between calls.
Volume control
Use this feature to set the listening volume to one of six levels for each of the listening options (corded handset,
corded headset and speakerphone). All settings are independent. While on a call, press S/VOLUME/T to
adjust the listening volume.
L1
Volume
Mute
Use this feature during a telephone conversation to silence the microphone. You can hear the caller, but the caller cannot hear you.
To mute a call:
• Press MUTE. When mute is on, the MUTE button lights up; the screen also displays MUTE.
To take a call off mute:
• Press MUTE again and resume speaking.
Temporary tone dialing
If you have pulse (rotary) service only, use this feature to temporarily switch pulse to 
.
1.Press TONE 
during a call.
2.Use the dialing keys to enter the desired number. The telephone sends
The telephone automatically returns to pulse dialing mode after you end the call.
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