TCTa public telephone that you can use when you put in a coin or a creditcard 〔投币式或插卡式〕付费公用电话
Examples from the Corpus
pay phone• Radiojournalistslearned to carry lots of change because a pay phone was a necessity when a story was breaking.• The closest one she can find is a pay phone just outside Mac Court.• There was a pay phone on the wall next to the hall stand.• It wasn't permitted to take incoming calls on the pay phone in the hallway of the hotel.• When Lucy came out, Josie was on the pay phone at the corridor's end.