Word: pstn
(lookup in dictionary)
(lookup stats)
Dates: during 2000-2009
Sort By: most recent first
(reverse)
Currently, telecommunications companies around the world maintain two separate networks--the Internet for data, and the telephone network, sometimes called the "Public Switched Telephone Network" (PSTN), for voice calls...
...PSTN--used for phone calls today--makes a direct connection between a user and a caller...