To answer a call handsfree: Press the SPEAKER button. The button remains lit whilst you have a call connected handsfree.
To end a handsfree call: Press the SPEAKER button again.
To switch from handsfree to the handset: Simply lift the handset.
To switch to handsfree from the handset: Press the SPEAKER button. The button remains lit whilst you have a call connected handsfree. Replace the handset.
To switch from handsfree to the headset: Press the HEADSET button. See Headset Operation.
To mute the call while handsfree: Press the MUTE button.