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/ /CID on the handset, or
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 DS6472 handset.
Silence the ringer
When the telephone is ringing, you can temporarily silence the ringer of the handset or headset without disconnecting the call. The next call rings normally at the preset volume.
To silence the handset ringer:
•Press SILENCE, OFF/CANCEL or MUTE/DELETE on the handset and Ringer muted appears.
To silence the headset ringer:
• Press MUTE/FLASH on the headset.
To silence the telephone base ringer:
Press 
/VOL during an incoming call to mute the ringer temporarily.
Mute
The mute function turns off the microphone. You can hear the caller, but the caller cannot hear you.
On a handset:
•During a call, press MUTE/DELETE to turn off the microphone. The handset shows Microphone off briefly and MUTE appears until the mute function is turned off.
•Press MUTE/DELETE again to resume the conversation. The handset briefly shows Microphone on.
On a headset:
•During a call, press MUTE/FLASH. The headset announces, “Mute on.” The headset beeps every 30 seconds until the mute function is turned off.
•Press MUTE/FLASH again to resume the conversation. The headset announces, “Mute off.”
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