Motorola 120c Owner's Manual page 63

To end the call and resume the FM broadcast:
Do This
O
Press
or
Press and hold the button
on the FM Stereo Radio
Headset microphone
Turn the radio off before dialing outgoing calls from the phone
keypad. You do not have to turn off the FM radio feature to dial
emergency numbers, or numbers selected from your phonebook
or other lists.
Tip: To dial a recently called number, press
on the FM Stereo Radio Headset microphone to go to the dialed
calls list.
Radio
To
end the call
N
or the button
63