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TechSpec
  • Foreword
  • 1 Scope
  • 2 References
  • 3 Definitions, symbols and abbreviations
  • 4 Conferencing overview
  • 5 Protocol using SIP and SIP events for conferencing
  • 6 Protocol using SDP for conferencing
  • 7 Void.
  • 8 Protocol for floor control for conferencing
  • A.1 Scope of signalling flows
  • A.2 Introduction
  • A.3 Flows demonstrating the creation of a conference
  • A.4 Flows demonstrating a user joining a conference
    • A.4.1 Introduction
    • A.4.2 User calling into a conference
    • A.4.3 User getting invited to a conference
    • A.4.4 User requesting IMS to join another user
    • A.4.5 User joins a private conversation to a conference
  • A.5 Flows demonstrating a user subscribing to the conference event package
  • A.6 Flows demonstrating a user leaving a conference
  • A.7 Flows demonstrating conference termination
  • A.8 Flows demonstrating usage of hold and resume during conferences
  • A.9 Flows demonstrating the use of the Replaces header

A.4.5 User joins a private conversation to a conference

24.1473GPPConferencing using the IP Multimedia (IM) Core Network (CN) subsystemRelease 17Stage 3TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

A.4.5.1 User in a different network

Void