note 
•The tone feature only applies when the dial mode is set to pulse.
•This special number can be stored in a memory location. This is referred to as Chain Dialing (see page 41).
Mute Microphone
You can temporarily mute the microphone so that the caller cannot hear you.
1)Press menu/clear (or the MENU soft key on the base) during talk mode (while the phone is in use).
2)Press 
/volume up/down to move the pointer to Mute and then select/
/audio tone (or the OK soft key on the base). Mute On appears in the display.
To cancel muting, repeat above step again when Mute is set to on, Mute Off appears.
Tone Dialing Switch-over
If your telephone company requires pulse dialing, you can switchover to tone dialing after the call connects. This feature is useful when you need tone dialing to use any automated menu systems, such as telephone bank tellers, telephone prescription refills, customer support menus, etc.
If your phone is set to pulse dialing mode, make your call normally. Once your call connects, press the */tone/ 
key. Any digits you enter from then on will be sent as tone digits. When this particular call ends, the phone automatically returns to pulse dialing mode.
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