Lecture 25: Telephone System | Computer Networks
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Lecture 25: Telephone System | Computer Networks
Link to notes: https://drive.google.com/file/d/1N0Z-liCVra_RlvJJ5VF7BsppooQmmfcK/view?usp=sharing Telephone System 1. Introduction 2. Components of Telephone System 2.1 Local loop 2.2 Trunks 2.3 Switching offices 3. Levels of switching offices 3.1 End Offices or local central office 3.2 Tandem offices or toll offices 3.3 Regional offices 4 ...
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