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 CIS 261

Introduction to Telephony
3 credits; 4 hours (3 lecture, 1 lab)

The purpose of this course is to introduce the student to the technology of voice switching, the basic activities of a central office and outside telephone media. Various technologies used in telephony will be examined. The topics covered include numbering plan, voice switching, distributing frames (MDF) and carriers. Other topics include history, organization and regulation of telephony. Telephone media such as cable, satellite, microwave, fiber optic, carriers, and CO equipment (power, MDF, repeaters), principles of wire and radio transmission, computer controlled switching, PBX, CBS, PABX, CENTREX, VAN, WATS, bypass and cellular telephone systems and digital services will be reviewed. The student can expect to pay for additional materials for this course.

Prerequisite: CIS241

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