EN 300 392-12-12 : 1.1.2

Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 SS-HOLD service description
  4.1 General
  4.2 SS-HOLD services offered over the TNSS-SAP
  4.3 Parameter description
5 Signalling protocol for the support of SS-HOLD
  5.1 SS-HOLD operational requirements
  5.2 Coding requirements
  5.3 SS-HOLD state definition
  5.4 SS-HOLD signalling procedures
  5.5 SS-HOLD impact of interworking with other networks
  5.6 Protocol interactions between SS-HOLD and other
      supplementary services and ANFs
  5.7 SS-HOLD parameter values (timers)
Annex A (informative): Examples of message sequences
      A.1 Example message sequences for successful operation
          of SS-HOLD
      A.2 Example message sequences for unsuccessful operation
          of SS-HOLD
Annex B (informative): Specification and Description
        Language (SDL) representation of procedures
      B.1 SDL representation of SS-HOLD at the served user
          MS/LS
      B.2 SDL representation of SS-HOLD at the served user
          SwMI
      B.3 SDL representation of SS-HOLD at the new served user
          SwMI
History

Describes the stage 3 description of the Supplementary Service Call Hold (SS-HOLD) for the Terrestrial Trunked Radio (TETRA).