PSTN Last modified: Tuesday, September 17, 2002
Short for Public Switched Telephone Network, which refers to the international telephone system based on copper wires carrying analog voice data. This is in contrast to newer telephone networks base on digital technologies, such as ISDN and FDDI. Telephone service carried by the PSTN is often called plain old telephone service (POTS).
•E-mail this definition to a colleague• For internet.com pages about PSTN . Also check out the following links! Internet Telephony Consortium Home page for a research organization focused on providing interoperability between the Internet and the public switched telephone network. Offers news about the group as well as publications, links and resources.	Telecommunications circuit switching POTS softswitch Give Us Your Feedback Conferencing Stations PSTN Products Shop by Top Models: Polycom SoundStation2™ (220015100001) Audio Conference 22 store offers from $211 - $519 Polycom VoiceStation™ 300 (220017910001) Wireless Audio Conference 17 store offers from $213 - $339 Polycom SoundStation2™ Avaya 2490 (230516375001) Audio Conference 9 store offers from $660 - $840 Polycom VoiceStation® 500 (220017900001) Wireless Audio Conference 15 store offers from $313 - $450 Polycom SoundStation2W™ EX (2200-07800-001) Wireless Audio Conference 23 store offers from $430 - $744