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Using a Handset, Headset, and Speakerphone
You can use your phone with these audio devices: a handset, headset, or speakerphone.
The phone is off-hook when the handset is lifted or another audio device is in use.
The phone is on-hook when the handset is in its cradle and other audio devices are not in use.
Using a Handset
Using a Headset
Your phone supports four- or six-wire headset jacks for wired headsets.For information about
purchasing headsets, see
Headset Support, page 13.
You can use a headset with all of the controls on your phone, including the Volume button and .
If you use AutoAnswer, see Using AutoAnswer with a Headset or Speakerphone, page 54.
If you want to... Then...
Go off-hook Lift the handset.
Go on-hook Replace the handset in the cradle.
Switch to the speakerphone or a
headset during a call
Press or ( ), then hang up the handset.
Adjust the volume level for a
call
Press the Volume button during a call or after invoking a dial tone.
Press Save to preserve the volume level for future calls.
If you want to... Then...
Toggle headset mode on and off Press ( ) to toggle headset mode on and off. (Typically,
headset is assigned to button 23.)
Switch to a handset Lift the handset (without pushing any buttons).
Adjust the volume level for a
call
Press the Volume button during a call or after invoking a dial tone.
Press Save to preserve the volume level for future calls.