19
Telephone operation
Options while on calls
Flash
If you subscribe to call waiting service from your local 
telephone service provider (see About caller ID on 
page 23), you hear a beep if someone calls while you 
are already on a call. Press FLASH on the handset to put your 
current call on hold and take the new call. You can press FLASH 
anytime to switch back and forth between calls and to activate 
other telephone company subscriber services such as three-way 
calling. Contact your telephone service provider for information on 
subscriber services.
Mute
You can press and hold MUTE to silence the 
microphone during a conversation. You can hear the 
caller, but the caller does not hear you until you 
release MUTE to resume conversation.
Temporary tone dialing
This feature can temporarily switch from pulse to touch-tone dialing 
during a call.
During a call, press TONE  .
Use the dialing keys to enter the relevant number. 
The telephone sends touch-tone signals.
The telephone automatically returns to pulse dialing 
mode after you hang up.
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