Recommendation ITU-T F.740.6 (09/2023) Reference framework and requirements for Internet protocol multimedia subsystem early media and extension service system
Summary
History
FOREWORD
Table of Contents
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Overview
7 A reference framework of EMES system
8 Requirements for EMES service provision
     8.1 Requirements for the network
          8.1.1 Requirements for the EMEP
          8.1.2 Requirements for the IMS
     8.2 Requirements for the UE
          8.2.1 Requirements for signalling processing
          8.2.2 Requirements for media play
          8.2.3 Requirements for media player
          8.2.4 Requirements for interaction
          8.2.5 Requirements for capability indication
     8.3 Security requirements
Appendix I  EMES scenarios
     I.1 Playing scenarios
          I.1.1 Playing the early media before the called party alerting
          I.1.2 Playing the early media during the called party alerting
          I.1.3 Playing the early media when the call is failed
          I.1.4 Playing the media after the call is answered
          I.1.5 Playing the media during the release of the call
     I.2 Interactive scenarios
Bibliography