CONTENTS

 1     Scope of signalling requirements for access networks that support BICC
 2     References
 3     Definitions
        3.1     Definitions of Signalling Associations
        3.2     Functional Model Definitions
        3.3     Definition of Signalling Flow Objects
 4     Abbreviations
 5     Functional Reference Model
 6     User Associated Logical Port Configurations
 7     ACN-E control configurations
 8     BICC access network information objects
 9     Information objects shown within reference models
10     Access network information flow model
11     Indirect user network interface flow template
12     Direct concentrator interface template
13     Indirect concentrator interface flow template
14     Indirect concentrator with transit interface flow template
15     Access network information flows
       15.1     Description of access network information flows
                 15.1.1     Definition of action identifier (Backward/forward bearer establishment)
       15.2     Access network information flows for stimulus terminals on the ISN
                 15.2.1     Terminal originated – Forward bearer setup
                 15.2.2     Terminal originated – Backward bearer setup
                 15.2.3     Network originated – Backward bearer setup
                 15.2.4     Network originated – Forward bearer setup
                 15.2.5     Terminal originated – Intra-ISN Call – Stimulus-based
                 15.2.6     Terminal released – ISN-A owned BNC
                 15.2.7     Terminal released – ACN-E owned BNC
                 15.2.8     Network released – ISN-A owned BNC
                 15.2.9     Network released – ACN-E owned BNC
       15.3     Call admission
                 15.3.1     Call admission – Terminal originated – Stimulus-based
                 15.3.2     Call admission – Network originated – Stimulus-based
       15.4     Bearer establishment
                 15.4.1     Bearer establishment – ISN-A to ACN-E – Terminal independent
                 15.4.2     Bearer establishment – ACN-E to ISN-A – Terminal independent
                 15.4.3     Bearer establishment – ACN-E(1) to ACN-E(2) – Terminal independent
                 15.4.4     Bearer establishment through ACN-T – ISN-A to ACN-E – Terminal independent
                 15.4.5     Bearer establishment through ACN-T – ACN-E to ISN-A – Terminal independent
                 15.4.6     Bearer cut-through in ACN-T – Terminal independent
       15.5     Call establishment
                 15.5.1     Call establishment – Terminal originated – Stimulus-based
                 15.5.2     Call establishment – Network originated – Stimulus-based
                 15.5.3     Call establishment – Network originated – Stimulus-based PABX trunk
                 15.5.4     Intra-ISN call establishment – Terminating ACN-E – Stimulus-based
       15.6     Call release
                 15.6.1     Call release – Terminal released – Stimulus-based
                 15.6.2     Call release – Network released – Stimulus-based
       15.7     Bearer release
                 15.7.1     Bearer release – ISN-A to ACN-E -Terminal independent
                 15.7.2     Bearer release – ACN-E to ISN-A – Terminal independent
                 15.7.3     Bearer release through ACN-T – ISN-A to ACN-E -Terminal independent
                 15.7.4     Bearer release through ACN-T – ACN-E to ISN-A – Terminal independent
       15.8     Access network information flows for functional terminals on the ISN
                 15.8.1     Terminal originated – Forward bearer setup
                 15.8.2     Terminal originated – Backward bearer setup
                 15.8.3     Network originated – Backward bearer setup
                 15.8.4     Network originated – Forward bearer setup
                 15.8.5     Terminal originated – Intra-ISN Call – Function-based
                 15.8.6     Terminal released – ISN-A owned BNC
                 15.8.7     Terminal released – ACN-E owned BNC
                 15.8.8     Network released – ISN-A owned BNC
                 15.8.9     Network released – ACN-E owned BNC
       15.9     Call admission
                 15.9.1     Call admission – Terminal originated – Function-based
                 15.9.2     Call admission – Network originated – Function-based
      15.10     Call establishment
                15.10.1     Call establishment – Terminal originated – Function-based
                15.10.2     Call establishment – Network originated – Function-based
      15.11     Call release
                15.11.1     Call release – Terminal released – Function-based
                15.11.2     Call release – Network released – Function-based
16     Interface Mediation Node (IMN) functional description
       16.1     Description of information flows in the IMN configuration
       16.2     Information flows for stimulus terminals
                 16.2.1     Terminal originated – Forward bearer setup
                 16.2.2     Terminal originated – Backward bearer setup
                 16.2.3     Network originated – Backward bearer setup
                 16.2.4     Network originated – Forward bearer setup
                 16.2.5     Terminal originated – Intra-IMN Call – Stimulus-based
                 16.2.6     Terminal released – SN owned BNC
                 16.2.7     Terminal released – ACN-E owned BNC
                 16.2.8     Network released – SN owned BNC
                 16.2.9     Network released – ACN-E owned BNC
       16.3     Information flows for functional terminals
                 16.3.1     Terminal originated – Forward bearer setup
                 16.3.2     Terminal originated – Backward bearer setup
                 16.3.3     Network originated – Backward bearer setup
                 16.3.4     Network originated – Forward bearer setup
                 16.3.5     Terminal originated – Intra-IMN call – Function-based
                 16.3.6     Terminal released – SN owned BNC
                 16.3.7     Terminal released – ACN-E owned BNC
                 16.3.8     Network released – SN owned BNC
                 16.3.9     Network released – ACN-E owned BNC
       16.4     Call admission
       16.5     Bearer establishment
                 16.5.1     Backward bearer establishment for terminal originated calls – Terminal independent
                 16.5.2     Forward bearer establishment for network originated calls – Terminal independent
                 16.5.3     Forward bearer establishment for terminal originated calls – Terminal independent
                 16.5.4     Backward bearer establishment for network originated calls – Terminal independent
       16.6     Call establishment
                 16.6.1     Call establishment – Terminal originated – Stimulus-based
                 16.6.2     Call establishment – Terminal originated – Function-based
                 16.6.3     Call establishment – Network originated – Stimulus-based
                 16.6.4     Call establishment – Network originated – Function-based
       16.7     Call release
                 16.7.1     Call release – Terminal released – Stimulus-based
                 16.7.2     Call release – Terminal released – Function-based
                 16.7.3     Call release – Network released – Stimulus-based
                 16.7.4     Call release – Network released – Function-based
       16.8     Bearer release
                 16.8.1     Bearer release – ACN-E to SN – Terminal independent
                 16.8.2     Bearer release – SN to ACN-E – Terminal independent
17     Summary guide to information flows