Voice Networks (PSTN, Cellular, & Satellite)

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Going through the operation of PSTN, cellular, and satellite networks for transferring audio.

This video is primarily designed for the written Unit 1 exam (Fundamentals of IT) for the OCR Cambridge Technicals (CTEC) Level 3 Information Technology qualifications. Video #10 of LO3 (Understand business IT systems).

For the ordered playlist of videos for the CTEC IT Fundamentals of IT (Unit 1) exam, see here:

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