CONTENTS

 1     Scope
 2     References
 3     Definitions
 4     Abbreviations
 5     Recommendation structure
 6     Modelling
        6.1     Network model
        6.2     Specification model
                  6.2.1     Introduction
                  6.2.2     General model
                  6.2.3     Dynamic primitive flows
 7     Application Process functions
        7.1     General
        7.2     GAT Application Process functions – Connection with call (bearer related)
                  7.2.1     Introduction
                  7.2.2     Primitive interface
                  7.2.3     Procedures
                  7.2.4     Exceptional procedures
                  7.2.5     Primitive contents
        7.3     GAT Application Process functions – Connection without call (bearer unrelated)
                  7.3.1     Introduction
                  7.3.2     Primitive interface (AP-TC SACF)
                  7.3.3     Connection Oriented signalling procedures
                  7.3.4     Primitive contents
 8     Single Association Control Function (SACF) – ISUP SACF
        8.1     Introduction
        8.2     Information flows related to messages sent by the node
        8.3     Information flows related to messages received by the node
 9     Single Association Control Function (SACF) – TC SACF
        9.1     Introduction
        9.2     Information flows related to operations sent by a node
        9.3     Information flows related to operations received by a node
10     Bearer-related GAT ASE (BRGAT ASE)
       10.1     Primitive interface
       10.2     Signalling procedures
                 10.2.1     Sending procedures
                 10.2.2     Receiving procedures
                 10.2.3     APM_U_Error Primitive
                 10.2.4     Signalling congestion
       10.3     Primitive contents
11     Connection Oriented GAT ASE (COGAT ASE)
       11.1     TC-user sequence
       11.2     Interface COGAT ASE- SACF
       11.3     Supported operations
       11.4     ASE procedures
                 11.4.1     Relationship between the COGAT-ASE and TCAP
                 11.4.2     Operations
                 11.4.3     Expiry of timers
                 11.4.4     Signalling congestion
       11.5     Primitive contents
       11.6     Abstract syntax, general
       11.7     Subsystem number
       11.8     ASN.1 module
12     TCAP (TC ASE)
       12.1     Interface TCAP-SACF
       12.2     Use of TCAP
13     SCCP
       13.1     Interface SCCP-SACF
       13.2     Use of SCCP
       13.3     Routing in the SCCP network
       13.4     Number information used for routing
14     Formats and Codes of Application Data
15     Timers