1、 ETSI TS 1Digital cellular telecoGroup Cal(3GPP TS 44.0TECHNICAL SPECIFICATION144 068 V13.0.0 (2016communications system (Phaall Control (GCC) protocol .068 version 13.0.0 Release 13GLOBAL SYSTEMOBILE COMMUN16-01) hase 2+); 13) TEM FOR ICATIONSRETSI ETSI TS 144 068 V13.0.0 (2016-01)13GPP TS 44.068 v
2、ersion 13.0.0 Release 13Reference RTS/TSGC-0144068vd00 Keywords GSM 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
3、/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior
4、 written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the present do
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6、llowing services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PD
7、F version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2016. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI
8、registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 144 068 V13.0.0 (2016-01)23GPP TS 44.068
9、 version 13.0.0 Release 13Intellectual Property Rights 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 3
10、14: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigat
11、ion, including IPR 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. Foreword This Technical Specificati
12、on (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. T
13、he cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. 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
14、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 ETSI TS 144 068 V13.0.0 (2016-01)33GPP TS 44.068 version 13.0.0 Release 13Contents Intellectual Pro
15、perty Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions and abbreviations . 6g33.1 Definitions 6g33.2 Abbreviations . 7g34 Applicability . 7g35 Main concepts 7g36 Elementary procedures for Group Call Control . 8g36.1 Overview 8g36.1.1 General 8
16、g36.1.2 Group call control states . 10g36.1.2.1 Group call control states at the MS side of the interface . 10g36.1.2.1.1 Attributes and parameters of GCC in the MS 10g36.1.2.1.2 NULL (U0) 10g36.1.2.1.3 MM CONNECTION PENDING (U0.p) . 10g36.1.2.1.4 GROUP CALL INITIATED (U1) . 10g36.1.2.1.5 GROUP CALL
17、 ACTIVE (U2) 11g36.1.2.1.6 GROUP CALL PRESENT (U3) . 11g36.1.2.1.7 GROUP CALL CONNECTION REQUESTED (U4) . 11g36.1.2.1.8 TERMINATION REQUESTED (U5) . 11g36.1.2.1.9 Sub-states of the Group call active state 11g36.1.2.1.10 GCC Timers in the MS 12g36.1.2.1.11 Consistency of parameters and states 12g36.1
18、.2.2 Group call control states at the network side of the interface . 13g36.1.2.2.1 NULL (State N0) . 13g36.1.2.2.2 GROUP CALL INITIATED (N1) . 13g36.1.2.2.3 GROUP CALL ACTIVE (N2) 13g36.1.2.2.4 GROUP CALL ESTABLISHMENT PROCEEDING (N3) 13g36.1.2.2.5 TERMINATION REQUESTED (N4) . 13g36.2 Procedures fo
19、r establishment of a group call 13g36.2.1 Activation of a group call by the network . 13g36.2.2 Mobile originated establishment . 13g36.2.2.1 Termination during mobile originated establishment 14g36.2.2.2 Abnormal cases . 15g36.2.3 Mobile terminating group call establishment in the MS . 15g36.3 Proc
20、edures during the active state of a group call 15g36.3.1 Mobile station procedures in the active state 15g36.3.1.1 Sub-state transitions in the MS 15g36.3.2 Network procedures in the active state . 16g36.4 Procedures for release, abortion, and termination of a group call 16g36.4.1 Termination proced
21、ure 16g36.4.2 Abort and release procedures 17g36.5 Miscellaneous procedures 17g36.5.1 Status procedures 17g36.5.1.1 Get status procedure 17g36.5.1.2 Set parameter procedure 17g37 Handling of unknown, unforeseen, and erroneous protocol data . 17g3ETSI ETSI TS 144 068 V13.0.0 (2016-01)43GPP TS 44.068
22、version 13.0.0 Release 137.1 General . 17g37.2 Message too short . 18g37.3 Unknown or unforeseen transaction identifier . 18g37.4 Unknown or unforeseen message type . 18g37.5 Non-semantical mandatory information element errors . 18g37.6 Unknown and unforeseen information elements in the non-imperati
23、ve message part . 19g37.6.1 Information elements unknown in the message 19g37.6.2 Out of sequence information elements 19g37.6.3 Repeated Information elements 19g37.7 Non-imperative message part errors . 19g37.7.1 Syntactically incorrect optional Information elements . 19g37.8 Messages with semantic
24、ally incorrect contents 19g38 Message functional definitions and contents 20g38.1 CONNECT . 21g38.1.1 SMS indications 21g38.2 GET STATUS 21g38.2.1 mobile identity 22g38.3 IMMEDIATE SETUP 22g38.3.1 Mobile identity 22g38.3a IMMEDIATE SETUP 2 . 23g38.3a.1 TMSI . 23g38.3a.2 Compressed otdi . 23g38.4. SE
25、T PARAMETER 23g38.5 SETUP 24g38.5.1 Originator-to-dispatcher information 24g38.5.2 Talker priority requested . 24g38.6 STATUS . 24g38.6.1 Call state . 25g38.6.2 State attributes 25g38.7 TERMINATION 25g38.8 TERMINATION REJECT . 25g38.9 TERMINATION REQUEST . 26g38.9.1 Talker priority . 26g39 Contents
26、of information elements value parts 26g39.1 Protocol Discriminator . 26g39.2 Transaction identifier . 26g39.3 Message Type . 27g39.4 Other information elements 27g39.4.1 Call Reference 27g39.4.2 Call state . 28g39.4.3 Cause 29g39.4.4 Originator indication . 30g39.4.5 Not used 31g39.4.6 Spare Half Oc
27、tet . 31g39.4.7 State attributes 31g39.4.8 Compressed otdi . 32g39.4.9 Talker priority. 32g39.4.10 SMS indications 32g3Annex A (informative): Example of the coding of the user-user information after decompression of the originator-to-dispatcher information 34g3Annex B (informative): Change History 3
28、5g3History 36g3ETSI ETSI TS 144 068 V13.0.0 (2016-01)53GPP TS 44.068 version 13.0.0 Release 13Foreword This Technical Specification has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change fol
29、lowing formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented t
30、o TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the do
31、cument. ETSI ETSI TS 144 068 V13.0.0 (2016-01)63GPP TS 44.068 version 13.0.0 Release 131 Scope The present document specifies the Group Call Control (GCC) protocol used by the Voice Group Call Service (VGCS) on the radio interface. 2 References The following documents contain provisions which, throu
32、gh reference in this text, constitute provisions of the present document. References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. For a specific reference, subsequent revisions do not apply. For a non-specific reference, the latest ve
33、rsion applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document. 1 Void 1a 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 42.068: “V
34、oice Group Call Service (VGCS); Stage 1“. 3 3GPP TS 23.003: “Numbering, addressing and identification“. 4 3GPP TS 23.067: “enhanced Multi-Level Precedence and Pre-emption service (eMLPP); Stage 2“. 5 3GPP TS 43.068: “Voice Group Call Service (VGCS); Stage 2“. 6 3GPP TS 44.006: “Mobile Station - Base
35、 Stations System (MS - BSS) Interface; Data Link (DL) Layer Specification “. 7 3GPP TS 24.007: “Mobile radio interface signalling layer 3; General aspects“. 8 3GPP TS 44.018: “Mobile radio interface layer 3 specification; Radio Resource Control Protocol“. 9 3GPP TS 24.008: “Mobile radio interface La
36、yer 3 specification; Core network protocols; Stage 3“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document the terms and definitions given in 3GPP TS 42.068 and the following apply: attachment of the user connection: See 3GPP TS 24.008, subclause 5.2. calling use
37、r: GCC entity in the Mobile Station (MS) initiating or having initiated a group call. clearing the context related to the group call establishment: all running GCC timers in the relevant GCC entity are stopped, all attributes in the relevant GCC entity are deleted. downlink: network to mobile statio
38、n direction. group call: is used in the same sense as “voice group call“. ETSI ETSI TS 144 068 V13.0.0 (2016-01)73GPP TS 44.068 version 13.0.0 Release 13group call channel: combined uplink/downlink to be allocated in each cell of the group call area for a particular group call. The uplink can be use
39、d by the presently talking service subscriber only. All MSs of the listening service subscribers in one cell shall listen to the common downlink. group receive mode: See 3GPP TS 44.018. originating mobile station: mobile station initiating or having initiated the group call. NOTE 1: In certain situa
40、tions, a MS assumes to be the originating MS of a group call without actually being the originating MS of that group call. NOTE 2: There may be one or none originating MS for a given group call. uplink: mobile station to network direction. 3.2 Abbreviations For the purposes of the present document,
41、the abbreviations given in 3GPP TR 21.905 1a and the following apply: BSS Base Station System eMLPP enhanced Multi-Level Precedence and Pre-emption service GCC Group Call Control GPRS General Packet Radio Service MS Mobile Station VGCS Voice Group Call Service CM Connection ManagementTI Transaction
42、Identifier 4 Applicability Support of the group call protocol is optional in the MS and in the network. 5 Main concepts The present document describes the group call control (GCC) protocol, which is one of the protocols of the Connection Management (CM) sublayer (see 3GPP TS 24.007). There is in gen
43、eral more than one MS engaged in a group call. Consequently, there is in general more than one MS with a GCC entity engaged in the same group call, and there is one GCC entity in the network engaged in that group call. Under which conditions a GCC message is passed from lower (sub-)layers to the GCC
44、 entity is defined in the specifications of the sub-layers. The MS shall ignore GCC messages that it receives which were sent in unacknowledged mode and which explicitly specify as destination a mobile identity which is not a mobile identity of the MS. Higher layers and the MM sub-layer decide when
45、to accept parallel GCC transactions and when/whether to accept GCC transactions in parallel to other CM transactions. The group call may be initiated by a mobile user or by a dispatcher. Specification of a protocol for dispatchers is out of the scope of the present document. Hence, in the scope of t
46、he present document, there are: - one GCC entity in the network; and - one or more than one GCC entities in different MSs; engaged in a group call, and one ore none of the MSs is the originator of the group call (called the originating MS in the present document). Note that, in certain situations, a
47、 MS assumes to be the originator of a group call without being the originator. ETSI ETSI TS 144 068 V13.0.0 (2016-01)83GPP TS 44.068 version 13.0.0 Release 13The originator of the GCC transaction chooses the Transaction Identifier (TI). A MS not assuming to be the originator of the transaction will
48、chose the transaction identifier received from the network, setting the TI flag to 1+x mod 2 where x is the received TI flag. The present document describes the group call control protocol only with regard to two peer entities, one in a MS, the other one in the network. The call control entities are
49、 described as communicating finite state machines which exchange messages across the radio interface and communicate internally with other protocol (sub)layers. In particular, the GCC protocol uses the MM and RR sublayer specified in 3GPP TS 24.008 and 3GPP TS 44.018. This description in only normative as far as the consequential externally observable behaviour is concerned. For simplicity, instead of using the terms “GCC entity in the MS“ and “GCC entity in the network“, the present document often uses the terms “MS“ and “network“ if no confusion
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