CONTENTS

 1     Scope
 2     References
 3     Definitions
 4     Abbreviations
 5     Description
 6     Operational requirements
        6.1     Provision/withdrawal
        6.2     Requirements on the originating network side
        6.3     Requirements on the terminating network side
 7     State definitions
 8     Coding requirements
 9     Signalling requirements at the coincident S_LB and T_LB reference point
        9.1     Delivery of Called party number to the called user in case of MSN or DDI
        9.2     CLIP
                  9.2.1     Actions at the originating local exchange
                  9.2.2     Actions at the destination local exchange
                  9.2.3     Interworking with other networks
        9.3     COLP
                  9.3.1     Actions at the destination local exchange
                  9.3.2     Actions at the originating local exchange
                  9.3.3     Interworking with other networks