CONTENTS

�1���� Scope
�2���� References
�3���� Definitions
�4���� Abbreviations
�5���� Description
�6���� Operational requirements
������� 6.1���� Provision and withdrawal
������� 6.2���� Requirements at the originating network side
������� 6.3���� Requirements at the terminating network side
�7���� Primitive and state definitions
������� 7.1���� Primitive definitions
������� 7.2���� Call states
�8���� Coding requirements
������� 8.1���� Messages
����������������� 8.1.1���� SETUP
������� 8.2���� Information elements
����������������� 8.2.1���� ATM traffic descriptor information element
����������������� 8.2.2���� Broadband bearer capability information element
�9���� Signalling procedures at the coincident SB and TB reference point
������� 9.1���� Procedures applicable at the originating interface
����������������� 9.1.1���� Traffic parameter selection procedures
������� 9.2���� Procedures applicable at the destination interface
������� 9.3���� Handling of specific error conditions
10���� Signalling procedures at the TB reference point for interworking with private B-ISDNs
11���� Interworking with other networks
������ 11.1���� Interaction with entities which do not support SBR2 and SBR3
������ 11.2���� Interworking with N-ISDN
12���� Interactions with supplementary services
13���� Parameter and timer values
14���� Dynamic description (SDLs)
Annex A � Valid combinations of bearer class, broadband transfer capability, and ATM traffic descriptor parameters for the support of the SBR2 and SBR3 ATM transfer capability
Annex B � Clarification on the support of SBR2 and SBR3� ATM transfer capabilities by this Recommendation