What Does Public Switched Telephone Network (PSTN) Mean?
The public switched telephone network (PSTN) refers to the international telephone system that uses copper wires to carry analog voice data. It consists of a collection of individual telephones that are hardwired to a public exchange.
Techopedia Explains Public Switched Telephone Network (PSTN)
The public switched telephone network is a global system that has developed over several decades. From the early research of Alexander Graham Bell, telecommunications companies evolved the PSTN architecture that provided for yesterday’s landline voice communications.
