IMS and ETSI References
For more information about IMS and TISPAN, consult the following specifications:
ETSI ES 283 026 V0.0.7 (2005-10) Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Resource and Admission Control; Protocol for QoS reservation information exchange between the Service Policy Decision Function (SPDF) and the Access-Resource and Admission Control Function (A-RACF) in the Resource and Protocol specification.
ETSI TS 183 017 V.0.0.8 (2005-10) Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Resource and Admission Control: DIAMETER protocol for session based policy set-up information exchange between the Application Function (AF) and the Service Policy Decision Function (SPDF); Protocol specification.
ETSI ES 283 034 V0.0.5 (2005-10) Telecommunications and Internet converged Services and Protocols for Advanced Networks (TISPAN); Network Attachment Sub-System (NASS); e4 interface based on the DIAMETER protocol.
Table 1 identifies abbreviations used in the IMS and ETSI-TISPAN environments.
Table 1: Abbreviations in the IMS and ETSI-TISPAN Environments
Third-Generation Partnership Project, which developed the IMS specifications.
Access-resource and admission control function. Provides admission control and network policy assembly.
Attribute value pair
Border gateway function
European Telecommunications Standards Institute
Fixed mobile convergence
IP multimedia subsystem
Resource and admission control subsystem. Consists of the A-RACF and the SPDF.
Resource control enforcement function
Service policy decision function. The SPDF coordinates the resource reservations requests that it receives from the application function.
Telecommunications and Internet Converged Services and Protocols for Advanced Networks