CONTENTS

�1���� Introduction
�2���� Scope
�3���� References and related Recommendations
�4���� Definitions
�5���� Abbreviations
�6���� B‑ISDN routing principles
�7���� Network structure
�8���� Routing process
������� 8.1���� General
������� 8.2���� User-network interface
������� 8.3���� Originating local VC switch
����������������� 8.3.1���� The originating local VC switch uses:
������� 8.4���� Transit VC switches (national and international)
������� 8.5���� OAM nodes
�9���� Information analysis
������� 9.1���� Calling party
������� 9.2���� Incoming route
������� 9.3���� Called number
������� 9.4���� Broadband bearer capability
������� 9.5���� ATM traffic descriptor
������� 9.6���� ATM cell rate (encoded as ATM cell rate as SS No. 7 B-ISUP)
������� 9.7���� End-to-end transit delay
������� 9.8���� Maximum end-to-end transit delay
������� 9.9���� Propagation delay counter
������ 9.10���� Transit network selection
������ 9.11���� Network management conditions
������ 9.12���� Time, event and state conditions
10� ���Network capability
11���� Signalling capability
12���� History
12���� History