CONTENTS

 1     Definition
 2     Description
        2.1     General description
        2.2     Specific terminology
 3     Procedures
        3.1     Provision/withdrawal
        3.2     Normal procedures
        3.3     Exceptional procedures
        3.4     Alternative procedures
 4     Network capabilities for charging
 5     Interworking requirements
 6     Interaction with supplementary services
 7     Attributes
 8     Provision of user signalling bearer service
 9     Dynamic description
Annex A  –  Network flow control mechanism for user signalling bearer services