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ISDN Protocols

Audience

Managerial and network operational staff

Prerequisites

The course Introducing ISDN and recommended preceding courses

Course Aim

To give an overview of ISDN protocols

Learning Objectives

Describe ISDN protocols as they relate to the OSI model. Outline the ISDN layers, reference points, BRI, and PRI. Discuss ISDN's physical layer signaling.

Topics Covered

ISDN protocol structure - ISDN and the OSI model - Planes and channels - Physical layer protocols - D-channel protocols - ISDN signaling Physical layer - reference points and BRI - Layers in ISDN - S/T and U reference points - BRI encoding and 2B1Q signaling Physical layer signaling and PRI - I.430 frames - Activation procedure - I.430 multiframes - D-channel contention resolution - PRI