CONTENTS

 1     Scope
 2     References
 3     Definitions
 4     Abbreviations
 5     Service and network interworking
        5.1     Service Plane Concept for Interworking
        5.2     Service Interworking
        5.3     Network Interworking
        5.4     Scenarios for interworking with IP-based networks
                  5.4.1     Scenario I: Service Interworking between an IP-based network and a non-IP network
                  5.4.2     Scenario II: Network Interworking between IP Networks via a non-IP network
                  5.4.3     Scenario III: Network Interworking between non-IP networks via an IP-based network
 6     Interworking between B-ISDN and IP-based Networks
        6.1     Interworking Scenarios
                  6.1.1     General considerations
                  6.1.2     Layered model for IP-based networks
                  6.1.3     General interworking cases of IP-based network
        6.2     Service Interworking
        6.3     Network Interworking
        6.4     Requirements of Interworking Functions
                  6.4.1     User Plane's requirements
                  6.4.2     Control Plane's requirements
                  6.4.3     Management Plane's requirements
 7     Interworking between N-ISDN or PSTN and IP-based Networks
        7.1     Interworking Scenarios
                  7.1.1     General considerations
                  7.1.2     Layered model for IP-based networks
        7.2     Service Interworking
        7.3     Network Interworking
        7.4     Requirements of Interworking Functions
                  7.4.1     User Plane's requirements
                  7.4.2     Control Plane's requirements
                  7.4.3     Management Plane's requirements
 8     Bibliography