Telecom Library

public switched telephone network switchboard

Understanding the Public Switched Telephone Network (PSTN): Structure, Functionality, and Evolution

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Public Switched Telephone Network (PSTN) The Public Switched Telephone Network (PSTN) is the global system of interconnected telephone networks that enables voice communication between users. It was originally designed to carry analog voice signals over circuit-switched connections and later evolved to incorporate digital switching and transmission technologies. The PSTN forms the historical foundation of worldwide […]

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Plain Old Telephone Service (POTS) 101

Plain Old Telephone Service (POTS) 101

POTS replacement, Telecom Library / By

POTS Explained Plain Old Telephone Service (POTS) refers to the traditional analog telephone system delivered over copper wire infrastructure. It represents the original form of public switched telephone network (PSTN) service and is characterized by dedicated circuits, analog voice signaling, and the ability to operate independently of external power at the customer premises. This article

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