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During a call, press 

 to switch between speakerphone and normal 

handset use.

During a call, press  /VOL or  /VOL to adjust the listening volume.
If this is a cell call and the volume is too loud or quiet, try changing the 
volume on your cell phone. On some cell phones, changing the volume on 
the cell phone effects your cell call volume on the DS6311 handset.

When the telephone is ringing, you can temporarily silence the ringer of the 
handset without disconnecting the call. The next call rings normally at the 
preset volume.

Press OFF/

 or MUTE/

 on the handset and 

Ringer mute appears.

The mute function turns off the microphone. You can hear the caller, but the 
caller cannot hear you.

Press MUTE/

 to turn off the microphone. The screen shows 

Muted for a few seconds and MUTE appears until the mute function is 
turned off.

Press MUTE/

again to resume the conversation. The screen 

temporarily shows Microphone ON.

If you have pulse (rotary) service only, you can switch from pulse to 
touch-tone dialing temporarily during a call. This is useful if you need to 
send touch-tone signals to access your telephone banking or long 
distance services.
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 end 
the call.

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