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TECHNICAL SPECIFICATION
LTE;
Mission Critical Data (MCData) signalling control;
Protocol specification
(3GPP TS 24.282 version 15.5.0 Release 15)
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3GPP TS 24.282 version 15.5.0 Release 15 1 ETSI TS 124 282 V15.5.0 (2019-04)
Reference
RTS/TSGC-0124282vf50
Keywords
LTE
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3GPP TS 24.282 version 15.5.0 Release 15 2 ETSI TS 124 282 V15.5.0 (2019-04)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables 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 Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
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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 using 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
.
Modal verbs terminology
In 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 deliverables except when used in direct citation.
ETSI
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3GPP TS 24.282 version 15.5.0 Release 15 3 ETSI TS 124 282 V15.5.0 (2019-04)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 13
1 Scope . 14
2 References . 14
3 Definitions, symbols and abbreviations . 16
3.1 Definitions . 16
3.2 Abbreviations . 16
4 General . 16
4.1 MCData overview . 16
4.2 Identity, URI and address assignments . 17
4.2.1 Public Service identi ties . 17
4.2.2 MCData session identity . 17
4.2.3 MCData client ID . 18
4.3 Pre-established sessions . 18
4.4 Emergency Alerts . 18
4.5 MCData Protocol . 18
4.6 Protection of sensitive XML application data . 18
4.7 Protection of TLV signalling and media content . 21
4.8 MCData client ID . 21
4.9 Warning Header Field . 21
4.9.1 General . 21
4.9.2 Warning texts . 22
5 Functional entities . 25
5.1 Introduction . 25
5.2 MCData client . 25
5.3 MCData server . 26
5.3.1 General . 26
5.3.1 SIP failure case . 27
6 Common procedures. 27
6.1 Introduction . 27
6.2 MCData client procedures . 28
6.2.1 Distinction of requests at the MCData client . 28
6.2.1.1 SIP MESSAGE request . 28
6.2.2 MCData conversation items . 28
6.2.2.1 Generating an SDS Message . 28
6.2.2.2 Generating an FD Message for FD using HTTP . 29
6.2.2.3 Generating an FD Message for FD using media plane . 30
6.2.2.4 Client generating message to terminate FD over HTTP. 31
6.2.3 Disposition Notifications . 31
6.2.3.1 Generating an SDS Notification . 31
6.2.3.2 Generating an FD Notification . 32
6.2.4 Sending SIP requests and receiving SIP responses . 32
6.2.4.1 Generating a SIP MESSAGE request towards the originating participating MCData function . 32
6.3 MCData server procedures . 33
6.3.1 Distinction of requests at the MCData server . 33
6.3.1.1 SIP MESSAGE request . 33
6.3.1.2 SIP INVITE request . 34
6.3.2 Sending SIP requests and receiving SIP responses . 36
6.3.2.1 Generating a SIP MESSAGE request towards the terminating MCData client . 36
6.3.3 Retrieving a group document . 36
6.3.4 Determining targeted group members for MCData communications . 36
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3GPP TS 24.282 version 15.5.0 Release 15 4 ETSI TS 124 282 V15.5.0 (2019-04)
6.3.5 Affiliation check . 36
6.3.6 MCData conversation items . 37
6.3.6.1 Server generating a FD HTTP TERMINATION message for FD over HTTP . 37
6.4 Handling of MIME bodies in a SIP message. 37
6.5 Confidentiality and Integrity Protection of sensitive XML content . 38
6.5.1 General . 38
6.5.1.1 Applicability and exclusions . 38
6.5.1.2 Performing XML content encryption . 38
6.5.1.3 Performing integrity protection on an XML body . 38
6.5.1.4 Verifying integrity of an XML body and decrypting XML elements . 38
6.5.2 Confidentiality Protection . 39
6.5.2.1 General . 39
6.5.2.2 Keys used in confidentiality protection procedures . 39
6.5.2.3 Procedures for sending confidentiality protected content . 39
6.5.2.3.1 MCData client . 39
6.5.2.3.2 MCData server. 39
6.5.2.3.3 Content Encryption in XML elements . 40
6.5.2.3.4 Attribute URI Encryption . 40
6.5.2.4 Procedures for receiving confidentiality protected content . 40
6.5.2.4.1 Determination of confidentiality protected content . 40
6.5.2.4.2 Decrypting confidentiality protected content in XML elements . 41
6.5.2.4.3 Decrypting confidentiality protected URIs in XML attributes . 41
6.5.2.5 MCData server copying received XML content . 41
6.5.3 Integrity Protection of XML documents . 42
6.5.3.1 General . 42
6.5.3.2 Keys used in integrity protection procedures . 43
6.5.3.3 Sending integrity protected content . 44
6.5.3.3.1 MCData client . 44
6.5.3.3.2 MCData server. 44
6.5.3.3.3 Integrity protection procedure . 44
6.5.3.4 Receiving integrity protected content. 45
6.5.3.4.1 Determination of integrity protected content . 45
6.5.3.4.2 Verification of integrity protected content. 45
6.6 Confidentiality and Integrity Protection of TLV messages . 45
6.6.1 General . 45
6.6.2 Derivation of master keys for media and media control . 46
6.6.3 Protection of MCData Data signalling and MCData Data messages . 46
6.6.3.1 General . 46
6.6.3.2 The MCData client . 47
6.6.3.3 The participating MCData function . 47
6.6.3.4 The controlling MCData function . 47
7 Registration and service authorisation . 47
7.1 General . 47
7.2 MCData client procedures . 48
7.2.1 SIP REGISTER request for service authorisation . 48
7.2.1AA SIP REGISTER request without service authorisation . 49
7.2.1A Common SIP PUBLISH procedure . 49
7.2.2 SIP PUBLISH request for service authorisation and MCData service settings . 50
7.2.3 Sending SIP PUBLISH for MCData service settings only . 51
7.2.4 Determination of MCData service settings . 51
7.3 MCData server procedures . 52
7.3.1 General . 52
7.3.1A Confidentiality and Integrity Protection . 52
7.3.2 SIP REGISTER request for service authorisation . 54
7.3.3 SIP PUBLISH request for service authorisation and service settings . 54
7.3.4 Receiving SIP PUBLISH request for MCData service settings only . 55
7.3.5 Receiving SIP PUBLISH request with "Expires=0" . 56
7.3.6 Subscription to and notification of MCData service settings . 57
7.3.6.1 Receiving subscription to MCData service settings . 57
7.3.6.2 Sending notification of change of MCData service settings . 57
ETSI
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3GPP TS 24.282 version 15.5.0 Release 15 5 ETSI TS 124 282 V15.5.0 (2019-04)
8 Affiliation . 57
8.1 General . 57
8.2 MCData client procedures . 58
8.2.1 General . 58
8.2.2 Affiliation status change procedure . 58
8.2.3 Affiliation status determination procedure . 59
8.2.4 Procedure for sending affiliation status change request in negotiated mode to target MCData user . 60
8.2.5 Procedure for receiving affiliation status change request in negotiated mode from authorized
MCData user . 60
8.3 MCData server procedures . 61
8.3.1 General . 61
8.3.2 Procedures of MCData server serving the MCData user . 61
8.3.2.1 General . 61
8.3.2.2 Stored information . 61
8.3.2.3 Receiving affiliation status change from MCData client procedure . 62
8.3.2.4 Receiving subscription to affiliation status procedure . 65
8.3.2.5 Sending notification of change of affiliation status procedure . 66
8.3.2.6 Sending affiliation status change towards MCData server owning MCData group procedure . 66
8.3.2.7 Affiliation status determination from MCData server owning MCData group procedure . 68
8.3.2.8 Procedure for authorizing affiliation status change request in negotiated mode sent to served
MCData user . 70
8.3.2.9 Forwarding affiliation status change towards another MCData user procedure . 70
8.3.2.10 Forwarding subscription to affiliation status towards another MCData user procedure . 71
8.3.2.11 Affiliation status determination . 72
8.3.2.12 Affiliation status change by implicit affiliation. 72
8.3.2.13 Implicit affiliation status change completion . 74
8.3.2.14 Implicit affiliation status change cancellation . 74
8.3.2.15 Implicit affiliation to configured groups procedure . 74
8.3.3 Procedures of MCData server owning the MCData group . 76
8.3.3.1 General . 76
8.3.3.2 Stored information . 76
8.3.3.3 Receiving group affiliation status change procedure . 76
8.3.3.4 Receiving subscription to affiliation status procedure . 78
8.3.3.5 Sending notification of change of affiliation status procedure . 79
8.3.3.6 Implicit affiliation eligibilty check procedure . 79
8.3.3.7 Affiliation status change by implicit affiliation procedure . 80
8.4 Coding . 80
8.4.1 Extension of application/pidf+xml MIME type . 80
8.4.1.1 Introduction . 80
8.4.1.2 Syntax . 81
8.4.2 Extension of application/simple-filter+xml MIME type . 82
8.4.2.1 Introduction . 82
8.4.2.2 Syntax . 82
9 Short Data Service (SDS) . 83
9.1 General . 83
9.2 On-network SDS . 84
9.2.1 General . 84
9.2.1.1 Sending an SDS message . 84
9.2.1.2 Handling of received SDS messages with or without disposition requests . 84
9.2.1.3 Handling of disposition requests . 86
9.2.2 Standalone SDS using signalling control plane .
...