Telephone operation
Handset speakerphone
During a call, press 
to switch between speakerphone and normal handset use.
Volume control
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 DS6321/6322 handset.
Silence the ringer
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.
To silence the ringer:
•Press OFF/CLEAR or MUTE/REMOVE on the handset and Ringer mute appears.
Mute
The mute function turns off the microphone. You can hear the caller, but the caller cannot hear you.
To mute a call:
•Press MUTE/REMOVE to turn off the microphone. The screen shows Muted for a few seconds and MUTE appears until the mute function is turned off.
To un-mute a call:
•Press MUTE/REMOVE again to resume the conversation. The screen temporarily shows Microphone ON.
Temporary tone dialing
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:
1.Press TONE 
.
2.Use the dialing keys to enter the relevant number. The telephone sends touch tone signals.
3.The telephone automatically returns to pulse dialing mode after you end the call.
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