V1: Fundamentals of Telecommunications Part 1 Fundamentals of Telephony 1.03 The Public Switched Telephone Network (PSTN) 1.05 Analog Circuits 1.07 What is Sound? 1.09 The Voiceband 1.11 Plain Ordinary Telephone Service (POTS) 1.13 DTMF Address Signaling 1.15 Signaling System 7 (SS7) Part 2 Telecom Equipment 2.03 Telephone Switches 2.05 PBX vs. Centrex 2.07 Voice VPNs […]
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