Phone upright Synonyms

Phone replaced

(verb) to make a telephone call to
(noun) electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear
(noun) electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds

PU is an abbreviation for Phone Upright

What does PU stand for?

PU stands for "Phone Upright"