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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.

Abbreviations

Table 9 identifies abbreviations used in the IMS and ETSI-TISPAN environments.

Table 9: Abbreviations in the IMS and ETSI-TISPAN Environments

Abbreviation

Description

3GPP

Third-Generation Partnership Project, which developed the IMS specifications.

A-RACF

Access-resource and admission control function. Provides admission control and network policy assembly.

AVP

Attribute value pair

BGF

Border gateway function

ETSI

European Telecommunications Standards Institute

FMC

Fixed mobile convergence

IMS

IP multimedia subsystem

NGN

Next-generation network

RACS

Resource and admission control subsystem. Consists of the A-RACF and the SPDF.

RCEF

Resource control enforcement function

SPDF

Service policy decision function. The SPDF coordinates the resource reservations requests that it receives from the application function.

TISPAN

Telecommunications and Internet Converged Services and Protocols for Advanced Networks