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Evolution of PSTN

Evolution of PSTN: Learning VoIP and Unified Communications
Evolution of PSTN: Learning VoIP and Unified Communications

After the invention of the telephone, the infrastructure expanded. Several key court actions opened the network and allowed independents to join and manufacture their own equipment and disrupt the long-held Bell monopoly.

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Skill Level Intermediate
1h 8m
Duration
6,064
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Skills covered in this course
Network Administration IT

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