Cisco IP Phone 7945G - Manual (Page 60)

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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, and also supports wireless
headsets. For information about purchasing headsets, see
Headset Support, page 6 .
You can use a headset with all of the controls on your phone, including and .
However, if you use a wireless headset, refer to the wireless headset documentation for information .
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
headset during a call Press or , then hang up the handset.
Adjust the volume level for a
call Press 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 .
Switch to a handset Lift the handset.
Adjust the volume level for a
call Press during a call or after invoking a dial tone.
Press Save to preserve the volume level for future calls.