Category: 4 IP multimedia subsystem concepts
- 4.25 Support of Overload Control
- 4.26 Support for Business Trunking
- 4.22 Support of Explicit Congestion Notification (ECN)
- 4.23 Support of Load Balancing
- 4.24 Support of Restoration Procedures
- 4.18 Support of Number portability
- 4.19 Support of Preferred Circuit Carrier Access and Per Call Circuit Carrier Selection
- 4.20 Support of IMS Service Centralization and Continuity
- 4.21 Support of Overlap Signalling
- 4.15b Roaming Architecture for Voice over IMS with home routed traffic