Content for TR 22.893 Word version: 10.0.0
4 IP Inter-connect scenarios
5 Requirements for IP Inter-connect
6 Requirements of the IP-Interconnection Intermediate Carrier
7 Conclusions
$ Change history
4 IP Inter-connect scenarios p. 6
4.1 Inter-Operator direct connection p. 6
4.2 Inter-Operator indirect connection p. 6
4.2.1 Transport Only mode p. 6
4.2.2 Service Transit mode p. 7
4.2.3 Hubbing mode p. 8
4.2.4 Use of multiple Indirect modes. p. 8
4.3 Operator to 3rd party connection p. 9
4.4 Interconnect use cases p. 10
4.4.1 Interconnect use case for interworking between CS and IMS-services p. 10
4.4.2 Use Cases for Transport Mode Connections p. 11
4.4.2.1 Use Case - Operator B has CS services only p. 11
4.4.2.2 Use Case - Operator B has CS services only, SLA covers CS & IMS p. 12
4.4.3 Use Cases for Service Transit mode Connections p. 13
4.4.3.1 Use Case - Operator B has CS services only, Interworking handled by Operator A p. 13
4.4.3.2 Use Case - Operator B has CS services only, Interworking delegated to Intermediate Carrier p. 14
4.4.3.3 Use Case - CS & IMS Domains, Fully Transparent Intermediate Carrier p. 15
4.4.4 Use Cases for Hubbing mode Connections p. 15
5 Requirements for IP Inter-connect p. 17
5.1 Introduction p. 17
5.2 Service requirements p. 17
5.3 Technical requirements p. 18
5.4 Security requirements p. 19
5.5 Charging requirements p. 19
5.6 Interworking requirements p. 19
5.7 Private domain addressing requirements p. 19
5.8 Number Portability requirements p. 20
6 Requirements of the IP-Interconnection Intermediate Carrier p. 20
6.1 Introduction p. 20
6.2 General requirements p. 20
6.3 Media Layer p. 20
6.3.1 Transcoding p. 20
6.4 Transport Layer p. 20
6.5 Application signalling p. 21
6.6 Routeing p. 21
7 Conclusions p. 21
$ Change history p. 23
