Foreword1 Scope2 References3 Definitions, symbols and abbreviations4 General5 Functional entities6 Common procedures6 Common procedures6.1 Introduction6.2 MCVideo client procedures6.3 MCVideo server procedures6.4 Implicit transmit media request6.5 Handling of MIME bodies in a SIP message6.6 Confidentiality and Integrity Protection6.7 Priority sharing6.8 Support for multiple devices6.9 Procedures at the MCVideo gateway7 Registration and service authorisation8 Affiliation9 Group call9.1 General9.2 On-network group call9.2.1 Prearranged group call9.2.2 Chat group (restricted) call9.2.3 Subscription to the conference event package9.2.4 Remote change of an MCVideo user's selected group9.3 Off-network group call9.3.1 General9.3.2 Basic call control9.3.3. Call type control9.4 Off-network Broadcast group call10 Private call10.1 General10.2 Private call in on-network10.3 Off-network private call11 Emergency Alert12 Video Pull13 Video Push14 Capability information sharing15 Ambient viewing call16 Use of MBMS transmission (on-network)17 Off-network message formats18 Location procedures19 MCVideo Service Continuity20 Functional alias21 Regroup using a preconfigured groupB.1 GeneralB.2 On-network timersB.3 Off-network timersC.1 GeneralC.2 Off-network countersD.1 GeneralD.2 Definition of media feature tag g.3gpp.mcvideoD.3 Definition of feature-capability indicator g.3gpp.mcvideo.ambient-viewing-call-releaseE.1 GeneralE.2 Definition of ICSI value for MCVideo serviceF.1 XML schema for MCVideo InformationF.2 XML schema for MBMS usage informationF.3 XML schema for MCVideo location informationF.4 XML schema for MCVideo (de)-affiliation requestsF.5 XML schema for the transmission requestF.6 XML schema for regroup using preconfigured groupG.1 MCVideo emergency stateG.2 In-progress emergency group stateG.3 MCVideo emergency group stateG.4 MCVideo emergency group call stateG.5 MCVideo emergency alert stateG.6 In-progress imminent peril group stateG.7 MCVideo imminent peril group stateG.8 MCVideo imminent peril group call stateG.9 In-progress emergency private call stateG.10 MCVideo emergency private priority stateG.11 MCVideo emergency private call stateG.12 MCVideo private emergency alert stateH.1 GeneralH.2 Group CallH.3 Private CallI.1 Info package for transfer of transmission participants requestsI.2 Info package for transfer of MCVideo informationJ.1 GeneralJ.2 Aspects not applicable to 5GSJ.3 Mapping of EPS-specific terms to 5GS 14 Capability information sharing 24.2813GPPMission Critical Video (MCVideo) signalling controlProtocol specificationRelease 18TS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM 14.1 General 14.2 On-network capability information sharing 14.2.1 General 14.2.2 MCVideo client procedures 14.2.3 MCVideo server procedures 14.3 Off-network capability information sharing 14.3.1 General 14.3.2 MCVideo client procedures 14.3.3 MCVideo server procedures