Term of the Moment

binary compare


Look Up Another Term


Definition: POTS


(Plain Old Telephone System or Service) POTS refers to the original telephone system and specifically excludes Internet-based phones. See PSTN and AMPS.




A Century Ago
At the turn of the 20th century, the "plain old telephone system" was neither plain nor old. Instruments such as this Blake wall phone were very high-tech contraptions. (Image courtesy of Nortel Networks.)