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Basic Telephones – Intro to Home and Business Telephone Systems

http://arnieoldcomputerguy.com/wp Fun, newbie degree course in Understanding Telephones. Educated by Arnie Davidson, Director, Ontrack Computer http://ontrackcomputer.com Free course on the internet initially provided to A+ computer system fixing specialist pupils. Subjects consist of Central Office, demarc, PSTN, POTS, RJ11, 66Block, punch device, PBX, Voicemail, clients, terminals, expansions, Tip and Ring, VOIP, Trunk Lines.
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