Which of the following in NOT a tip for using cell phones?
a. Speak softly, in a conversational tone.
b. Turn off your phone, or set it to vibrate in public places.
c. Alert others at social gatherings if you are expecting a call.
d. Set the ring to a melodious jingle when in meetings to avoid upsetting colleagues.
e. Be courteous and not angry if you asking a cell phone user to lower his voice or to and a call.
d. Set the ring to a melodious... View the full answer