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Telephone Networking

The Telephone Network
The Telephone Network. An Engineering Approach. Ref: Digital Telephony (John Bellamy) and Fundamentals of Telecommunications (R. L. Freeman).
PSTN - Public Switched Telephone Network - Networking -
PSTN is the Public Switched Telephone Network, the global collection of interconnects originally designed to support circuit-switched voice ...
What is PSTN (public switched telephone network)? - Definition from
PSTN public switched telephone network is the worlds collection of interconnected voiceoriented public telephone networks both commercial and ...
HowStuffWorks "The Public Switched Telephone Network"
The public switched telephone network (PSTN) is the international network of circuit-switched telephones. Learn more about PSTN at HowStuffWorks.
What is PSTN? - A Word Definition From the Webopedia Computer Dictionary
Short for Public Switched Telephone Network, which refers to the international telephone system based on copper wires carrying analog voice data.

Communications Disrupting Your Network? Get a Grip at Enterprise Connect
... networks, connecting proprietary desktop phones via twisted copper pairs within the enterprise and out to the public switched telephone network.
NSA spies on China networking giant Huawei
But it then expanded with the goal of learning how to penetrate Huawei computer andtelephone networks sold to third countries. "Many of our targets ...