http://telcojournal.wordpress.com Care For Telecommunication World Fri, 20 Jul 2007 02:56:30 +0000 http://wordpress.com/ hourly 1 http://telcojournal.wordpress.com/about/#comment-2 Hector Tobing Fri, 20 Jul 2007 02:56:30 +0000 #comment-2 The public switched telephone network (PSTN) is the network of the world's public circuit-switched telephone networks, in much the same way that the Internet is the network of the world's public IP-based packet-switched networks. Originally a network of fixed-line analog telephone systems, the PSTN is now almost entirely digital, and now includes mobile as well as fixed telephones. It is sometimes referred to as the Plain Old Telephone System (POTS) The public switched telephone network (PSTN) is the network of the world’s public circuit-switched telephone networks, in much the same way that the Internet is the network of the world’s public IP-based packet-switched networks. Originally a network of fixed-line analog telephone systems, the PSTN is now almost entirely digital, and now includes mobile as well as fixed telephones. It is sometimes referred to as the Plain Old Telephone System (POTS)

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