GR 2902 CORE : ISSUE 1

Preface
1 Introduction
    1.1 Background
    1.2 Purpose
    1.3 Related Documents
    1.4 Requirements Terminology
    1.5 Document Organization
2 CCS Network Interconnection Architecture
    2.1 CCS Network Interconnection for Toll-Free Service
    2.2 Disclosure of Routing and Addressing Information
    2.3 Interface Protocol
3 Call Control Procedures for Toll-Free Service
    3.1 ICNto BCC Originating Access
          3.1.1 BCC AT/SSP Queries BCC Database
                  3.1.1.1 BCC Call Setup
          3.1.2 ICN SSP Queries BCC Database
                  3.1.2.1 BCC Call Setup
4 Non-Circuit Associated Messages and Procedures
    4.1 Database Query from ICN SSP
          4.1.1 Transaction Level Procedures
          4.1.2 Component Level Procedures
          4.1.3 Info_Analyzed Message
    4.2 ICN SSP Non-call Related Messages and Procedures
          4.2.1 Transaction Level Procedures
          4.2.2 Component Level Procedures
          4.2.3 ICN SSP Non-Call Related Messages
                  4.2.3.1 Termination _Notification
    4.3 BCC SCP Response Message
          4.3.1 Transaction Level Procedures
                  4.3.1.1 Multiple-Component Packages
          4.3.2 Component Level Procedures
          4.3.3 BCC SCP Call Related Messages
                  4.3.3.1 Analyze_Route
                  4.3.3.2 Send_to_Resource
    4.4 BCC SCP Non-Call Related Messages and Procedures
          4.4.1 Transaction Level Procedures
          4.4.2 Component Level Procedures
          4.4.3 BCC SCP Non-Call Related Messages
                  4.4.3.1 ACG
                  4.4.3.2 Send_Notification
    4.5 Abnormal Messages
          4.5.1 Protocol Errors
          4.5.2 Application Errors
                  4.5.2.1 Application_Error
                  4.5.2.2 Report Error
5 Routing Non-Circuit Associated Messages
    5.1 ICN SSP Initial Messages
          5.1.1 Routing the ICN SSP Initial Message
          5.1.2 SCCP Information for ICN SSP Initial Message
    5.2 ICN SSP Subsequent Message
          5.2.1 Routing the ICN SSP Initial Message
          5.2.2 SCCP Information for ICN SSP Subsequent
                  Message
    5.3 BCC SCP Subsequent Message
          5.3.1 Routing the BCC_SCP Subsequent Message
          5.3.2 SCCP Information for BCC SCP Subsequent
                  Messages
6 Network Traffic Management
    6.1 Automatic Code Gapping
          6.1.1 SCP Overload Control
          6.1.2 SOCC Control
          6.1.3 Control Capacity
          6.1.4 Gap and Duration Timers
7 Possible Errors in TCAP Interactions
    7.1 SCCP Routing Failures
    7.2 TCAP Errors
          7.2.1 Transaction Level Protocol Errors
          7.2.2 Component Level Protocol Errors
          7.2.3 Application Errors
                  7.2.3.1 Application Errors at the ICN SSP
                  7.2.3.2 Application Errors at the BCC SAP
                  7.2.3.3 Reporting Application Errors
Appendix A: Formats and Codes
       A.1 Operation Codes
       A.2 Message Tables
       A.3 Parameter Codes
References
Glossary
List of Figures
2-1 ICN NAP Interconnection
2-2 ICN-SSP Interconnection
2-3 ICN Interconnection Between CCS networks
List of Tables
4-1 Info-Analyzed Message
4-2 Termination_Notification Message
4-3 Analyze_Route Message
4-4 Send_to_Resource Message
4-5 ACG Message
4-6 Send_Notification Message
4-7 Application_Error Message
4-8 Report_Error Message
5-1 SCCP Routing Classifications
6-1 Gap Interval Timer
6-2 Gap Duration Timer
7-1 Summary of Reporting Protocol Errors
7-2 Summary of Reporting Fatal Application Errors
A-1 AIN Operation Code Calling
A-2 SSP Call Related Messages
A-3 SCP Call Related Messages
A-4 Non-Call Related Messages
A-5 Abnormal Messages
A-6 AIN Parameter Identifier Coding

Supplies ICNs with compatibility information for interconnecting with BCC networks for supporting Toll-Free Service in an AIN environment. Excludes Interexchange, International and Independent Local Exchange Carriers, Wireless Service Providers and Enhanced Service Providers. Includes messages, events and conditions for supporting the exchange of information between networks for processing toll-free calls.