CONTENTS

�1���� Scope
�2���� References
�3���� Definitions
�4���� Abbreviations
�5���� Description
�6���� Operation requirements
������� 6.1���� Provision and withdrawal
������� 6.2���� Requirements at the originating network side
������� 6.3���� Requirements at the terminating network side
�7���� Primitives
�8���� Coding requirements
������� 8.1���� Quality of Service parameter
�9���� Signalling procedures at the coincident SB and TB reference point
������� 9.1���� Connection establishment at the originating interface
������� 9.2���� Call/Connection establishment at destination interface
10���� Signalling procedures at TB reference point for interworking with private B‑ISDNs
Annex A � Valid combinations of bearer class, broadband transfer capability, ATM traffic descriptor parameters and QoS classes