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Introduction

Concepts & terminology.

Transmission media

Transmission impairments.

Voice digitisation

PCM , speech redundancies & vocoders.

Digital Data Communication Techniques

Synchronous transmissions, error detection techniques, interfacing.

Data Link Control

Line configuration, flow control, error control, data link protocols.

Multiplexing : Frequency division multiplexing, synchronous TDM, statistical TDM.

Digital switching : Space division switching, time division switching & two dimensional switching.

Communication Networks : Circuit switching, Digital PBX, control signalling, Packet switching:

principles, virtual circuits & datagram routing, traffic control, X.25.

<<2002 Samsoft Technologies>>

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