rec1 - 15.020 Competition in Telecoms Recitation #1 Othman...

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15.020 Competition in Telecoms Recitation #1 Othman Laraki
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Agenda • US Telecom History • Phone Network Overview • Networking Introduction
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History
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Industry Structure Pre-1984: Bell System 22 local Bell companies Local, interstate and international long distance Manufactured and sold central office switches, telephones, electronics Yellow and white page telephone directories Long-distance competitors (MCI, Sprint) Owned long-distance networks, but not connection to the homes Relied on local (Bell) companies for call termination 1974: Anti-trust suit against ATT, resolved in 1984 1984: Divestiture 22 Bell companies transferred to 7 Regional Bell Operating Companies (RBOCs) Bellcore formed (owned jointly by RBOCs): administered numbering plans. Renamed to
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rec1 - 15.020 Competition in Telecoms Recitation #1 Othman...

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