Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
  3.1 Definitions
  3.2 Symbols
  3.3 Abbreviations
4 Signalling protocol for the support of SS-CRT
  4.1 SS-CRT description
  4.2 SS-CRT services offered over the TNSS-SAP
5 Signalling procedures for the support of SS-CRT
  5.1 SS-CRT operational requirements
  5.2 SS-CRT coding requirements
  5.3 SS-CRT state definitions
  5.4 SS-CRT signalling procedures
  5.5 Interworking
  5.6 Protocol interactions between SS-CRT and other
      supplementary services and ANFs
Annex A (informative): Examples of message sequences
Annex B (informative): Specification and Description
        Language (SDL) representation of procedures
  B.1 SS-CRT at the Originating MS/LS
  B.2 SS-CRT at the Originating SwMI
  B.3 SS-CRT at the Transit SwMI
  B.4 SS-CRT at the Terminating SwMI
  B.5 SS-CRT at the Terminating (Called User) MS/LS
History

Abstract

Specifies the Stage 3 requirements for TETRA SS Call Retention.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	TETRA 3