ETSI TS 124 380-2018 LTE Mission Critical Push To Talk (MCPTT) media plane control Protocol specification (V15 2 0 3GPP TS 24 380 version 15 2 0 Release 15).pdf

1、 ETSI TS 124 380 V14.5.0 (2018-01) LTE; Mission Critical Push To Talk (MCPTT) media plane control; Protocol specification (3GPP TS 24.380 version 14.5.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 124 380 V14.5.0 (2018-01)13GPP TS 24.380 version 14.5.0 Release 14Reference RTS/TSGC-0124380ve50 K

2、eywords LTE ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloa

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7、itten authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are trademarks of ETSI registere

8、d for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSM and the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 124 380 V14.5.0 (2018-01)23GPP TS 24.380 version 14.5.0 Release 14Intellect

9、ual Property Rights Essential patents IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual

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11、R searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Trademarks The present document may include trademar

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13、does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports us

14、ing their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In

15、 the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI del

16、iverables except when used in direct citation. ETSI ETSI TS 124 380 V14.5.0 (2018-01)33GPP TS 24.380 version 14.5.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 14g31 Scope 15g32 References 15g33 Definitions and abbreviations . 16g33.1 Defini

17、tions 16g33.2 Abbreviations . 17g34 General . 18g34.1 Overview 18g34.1.1 Floor Control 18g34.1.1.1 General 18g34.1.1.2 On-network floor control 18g34.1.1.3 Off-network floor control 19g34.1.1.4 Determine on-network effective priority . 19g34.1.1.5 Determine off-network effective priority 20g34.1.2 P

18、re-established session call control. 20g34.1.2.1 General 20g34.1.2.2 Call setup over pre-established session . 21g34.1.2.3 Release of a call which uses a pre-established session 21g34.1.3 MBMS subchannel control . 21g34.1.3.1 General 21g34.1.3.2 Start of a conversation . 22g34.1.3.3 During a convers

19、ation . 22g34.1.3.4 Ending the conversation 22g34.2 Internal structure of media plane control entities . 23g34.2.1 Controlling MCPTT function . 23g34.2.2 MCPTT client . 24g34.2.3 Participating MCPTT function . 26g34.2.3.1 General 26g34.2.3.2 Internal structure of the participating MCPTT function 26g

20、34.2.3.3 The roles of the participating MCPTT function 27g34.2.3.3.1 For the floor control procedures 27g34.2.3.3.2 For the call over pre-established session procedures . 27g34.2.3.3.3 For the use of MBMS bearer procedures . 27g34.2.4 Non-controlling MCPTT function of an MCPTT group . 28g34.3 The me

21、dia plane control channel 29g34.3.1 General 29g34.3.2 Control channel realization . 29g34.3.3 Establishing a media plane control channel 30g34.3.3.1 General 30g35 Entities 30g35.1 General . 30g35.2 MCPTT client . 30g35.2.1 Introduction. 30g35.2.2 Floor participant in on-network mode 31g35.2.3 Floor

22、participant in off-network mode 31g35.3 Controlling MCPTT function . 31g35.4 Participating MCPTT function . 32g35.5 Non-controlling MCPTT function 32g36 On-network floor control 32g3ETSI ETSI TS 124 380 V14.5.0 (2018-01)43GPP TS 24.380 version 14.5.0 Release 146.1 General . 32g36.2 Floor participant

23、 procedures . 33g36.2.1 Floor participant procedures at MCPTT session initialization 33g36.2.2 Floor participant procedures at MCPTT call release 33g36.2.3 Floor participant procedures at MCPTT call modification . 33g36.2.4 Floor participant state transition diagram for basic operation . 33g36.2.4.1

24、 General 33g36.2.4.2 State: Start-stop 35g36.2.4.2.1 General 35g36.2.4.2.2 MCPTT call initiated, originating MCPTT user 35g36.2.4.2.3 MCPTT call established, terminating MCPTT user 35g36.2.4.3 State: U: has no permission . 35g36.2.4.3.1 General 35g36.2.4.3.2 Receive Floor Idle message (R: Floor Idle

25、) . 35g36.2.4.3.3 Receive Floor Taken message (R: Floor Taken) . 36g36.2.4.3.4 Receive RTP media packets (R: RTP media) 36g36.2.4.3.5 Send Floor Request message (PTT button pressed) 36g36.2.4.3.6 Timer T103 (End of RTP media) expired 36g36.2.4.4 State: U: pending Request . 37g36.2.4.4.1 General 37g3

26、6.2.4.4.2 Receive Floor Granted message (R: Floor Granted) 37g36.2.4.4.3 Void . 37g36.2.4.4.4 Receive Floor Deny message (R: Floor Deny) 37g36.2.4.4.5 Timer T101 (Floor request) expired 38g36.2.4.4.6 Timer T101 (Floor Request) expired N times . 38g36.2.4.4.7 Receive RTP media packets (R: RTP Media)

27、. 38g36.2.4.4.8 Send Floor Release message (PTT button released) 38g36.2.4.4.9 Receive Floor Queue Position Info message (R: Floor Queue Position Info) . 38g36.2.4.5 State: U: has permission 39g36.2.4.5.1 General 39g36.2.4.5.2 Send RTP media packets (RTP media) . 39g36.2.4.5.3 Send Floor Release mes

28、sage (PTT button released) 39g36.2.4.5.4 Receive Floor Revoke message (R: Floor Revoke) . 40g36.2.4.5.5 Receive Floor Granted message (R: Floor Granted) 40g36.2.4.5.6 Receive RTP media packets (R: RTP Media) . 40g36.2.4.5.7 Receive Floor Idle message (R: Floor Idle) . 40g36.2.4.5.8 Receive Floor Tak

29、en message (R: Floor Taken) . 41g36.2.4.6 State: U: pending Release 41g36.2.4.6.1 General 41g36.2.4.6.2 Timer T100 (Floor Release) expired . 41g36.2.4.6.3 Timer T100 (Floor release) expired N times . 42g36.2.4.6.4 Receive Floor Idle message (R: Floor Idle) . 42g36.2.4.6.5 Receive Floor Taken message

30、 (R: Floor Taken) . 42g36.2.4.6.6 Receive RTP media packets (R: RTP Media) . 42g36.2.4.6.7 Receive Floor Revoke message (R: Floor Revoke) . 43g36.2.4.6.8 Receive Floor Granted message (R: Floor Granted) 43g36.2.4.7 In any state 43g36.2.4.7.1 General 43g36.2.4.7.2 Receive MCPTT call release step 1 (R

31、: MCPTT call release - 1) 43g36.2.4.7.3 Receive a Floor Control message with a Floor Indicator field (R: Floor Indicator) 43g36.2.4.8 State: Releasing . 43g36.2.4.8.1 General 43g36.2.4.8.2 Receive MCPTT call release step 2 (R: MCPTT call release - 2) 43g36.2.4.9 State: U: queued . 44g36.2.4.9.1 Gene

32、ral 44g36.2.4.9.2 Receive RTP media packets (R: RTP media) 44g36.2.4.9.3 Receive Floor Taken message (R: Floor Taken) . 44g36.2.4.9.4 Receive Floor Granted message (R: Floor Granted) 44g36.2.4.9.5 Receive Floor Deny message (R: Floor Deny) 45g36.2.4.9.6 Send Floor Release message (PTT button release

33、d) 45g36.2.4.9.7 Receive Floor Queue Position Info message (R: Floor Queue Position Info) . 45g36.2.4.9.8 Receive Floor Idle message (R: Floor Idle) . 46g3ETSI ETSI TS 124 380 V14.5.0 (2018-01)53GPP TS 24.380 version 14.5.0 Release 146.2.4.9.9 Send Floor Queue Position Request message (S: Floor Queu

34、e Position Request) 46g36.2.4.9.10 Timer T104 (Floor Queue Position Request) expired 46g36.2.4.9.11 Timer T104 (Floor Queue Position Request) expired N times 46g36.2.4.9.12 User indication for accept of pending request . 46g36.2.4.9.13 Timer T132 (Queued granted user action) expires 47g36.3 Floor co

35、ntrol server procedures 47g36.3.1 General 47g36.3.2 Controlling MCPTT function procedures at MCPTT call initialization . 47g36.3.2.1 General 47g36.3.2.2 Initial procedures . 47g36.3.2.3 Switching from a non-controlling MCPTT function mode to a controlling MCPTT function mode 48g36.3.3 MCPTT floor co

36、ntrol procedures at MCPTT call release . 48g36.3.4 Floor control server state transition diagram for general floor control operation . 49g36.3.4.1 General 49g36.3.4.2 State: Start-stop 51g36.3.4.2.1 General 51g36.3.4.2.2 MCPTT call initialization 51g36.3.4.3 State: G: Floor Idle 51g36.3.4.3.1 Genera

37、l 51g36.3.4.3.2 Enter the G: Floor Idle state . 52g36.3.4.3.3 Receive Floor Request message (R: Floor Request) . 53g36.3.4.3.4 Timer T7 (Floor Idle) expired . 53g36.3.4.3.5 Timer T4 (Inactivity) expired 53g36.3.4.3.6 Receive an implicit floor request (R: Implicit floor request) . 54g36.3.4.4 State:

38、G: Floor Taken . 54g36.3.4.4.1 General 54g36.3.4.4.2 Enter the G: Floor Taken state . 54g36.3.4.4.3 Timer T1 (End of RTP media) expired 55g36.3.4.4.4 Timer T2 (Stop talking) expired 55g36.3.4.4.5 Receive RTP media packets (R: RTP media) 55g36.3.4.4.6 Receive Floor Release message (R: Floor Release)

39、56g36.3.4.4.7 Receive Floor Request message with pre-emptive priority (R: pre-emptive Floor Request) 56g36.3.4.4.8 Receive Floor request message from permitted floor participant (R: Floor Request) . 57g36.3.4.4.9 Timer T20 (Floor Granted) expired . 57g36.3.4.4.10 Timer T20 (Floor Granted) expired N

40、times . 57g36.3.4.4.11 Permitted MCPTT client release (R: client release) 57g36.3.4.4.12 Receive an implicit floor request (R: Implicit floor request) . 57g36.3.4.5 State: G: pending Floor Revoke . 58g36.3.4.5.1 General 58g36.3.4.5.2 Enter the G: pending Floor Revoke state . 58g36.3.4.5.3 Receive RT

41、P media packets (R: RTP media) 58g36.3.4.5.4 Receive Floor Release message (R: Floor Release) 58g36.3.4.5.5 Timer T3 (Stop talking grace) expired 59g36.3.4.5.6 Timer T1 (End of RTP media) expired 59g36.3.4.6 In any state 59g36.3.4.6.1 General 59g36.3.4.6.2 Receive MCPTT call release - 1 59g36.3.4.6.

42、3 Receive an instruction to merge group calls (R: Merge) . 59g36.3.4.7 State: Releasing . 59g36.3.4.7.1 General 59g36.3.4.7.2 Receive MCPTT call release - 2 59g36.3.4.8 State: G: Floor Initialising . 60g36.3.4.8.1 General 60g36.3.4.8.2 Enter the G: Initialising state 60g36.3.4.8.3 Receiving a floor

43、request from a constituent MCPTT group (R: mcptt-floor-request) . 60g36.3.4.8.4 All final SIP responses received (R: final SIP responses) . 60g36.3.5 Floor control server state transition diagram for basic floor control operation towards the floor participant . 61g36.3.5.1 General 61g36.3.5.2 State:

44、 Start-stop 63g36.3.5.2.1 General 63g3ETSI ETSI TS 124 380 V14.5.0 (2018-01)63GPP TS 24.380 version 14.5.0 Release 146.3.5.2.2 SIP Session initiated 63g36.3.5.3 State: U: not permitted and Floor Idle . 67g36.3.5.3.1 General 67g36.3.5.3.2 Enter state U: not permitted and Floor Idle 67g36.3.5.3.3 Send

45、 Floor Taken message (S: Floor Taken) . 67g36.3.5.3.4 Receive Floor Request message (R: Floor Request) . 67g36.3.5.3.5 Send Floor Grant message (S: Floor Grant) 68g36.3.5.3.6 Send Floor Deny message (S: Floor Deny) . 68g36.3.5.3.7 Receive Floor Release message (R: Floor Release) 68g36.3.5.3.8 Receiv

46、e RTP media packets (R: media) 69g36.3.5.3.9 Receive an implicit floor request (R: Implicit floor request) . 69g36.3.5.3.10 Send Floor Idle message (S: Floor Idle) 69g36.3.5.4 State U: not permitted and Floor Taken . 69g36.3.5.4.1 General 69g36.3.5.4.2 Enter state U: not permitted and Floor Taken 70

47、g36.3.5.4.3 Send Floor Idle message (S: Floor Idle) 70g36.3.5.4.4 Receive Floor Request message (R: Floor Request) . 70g36.3.5.4.5 Receive Floor Release message (R: Floor Release) 73g36.3.5.4.6 Receive RTP media packets (R: media) 74g36.3.5.4.7 Send Floor Queue Position Info message (R: Floor Queue

48、Position Request) 75g36.3.5.4.8 Receive an implicit floor request (R: Implicit floor request) . 75g36.3.5.4.9 Send Floor Granted message (S: Floor Granted) . 75g36.3.5.4.10 Send Floor Taken message (S: Floor Taken) . 76g36.3.5.5 State: U: permitted . 76g36.3.5.5.1 General 76g36.3.5.5.2 Enter state U

49、: permitted . 76g36.3.5.5.3 Receive Floor Release message (R: Floor Release) 76g36.3.5.5.4 Send Floor Idle message (S: Floor Idle) 77g36.3.5.5.5 Send Floor Revoke message (S: Floor Revoke) 77g36.3.5.5.6 Receive RTP media packets (R: media) 77g36.3.5.5.7 Receive Floor Request message (R: Floor Request) . 78g36.3.5.5.8 Send RTP Media (S: media) 78g36.3.5.5.9 Send Floor Taken message (S: Floor Taken) . 78g36.3.5.6 State: U: pending Floor Revoke . 78g36.3.5.6.1 General 78g36.3.5.6.2 Enter state U pending Floor Revoke 78g36.3