ETSI TS 123 084-2017 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) Multi Party (MPTY) supplementary service Stage 2 .pdf

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1、 ETSI TS 123 084 V14.0.0 (2017-04) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Multi Party (MPTY) supplementary service; Stage 2 (3GPP TS 23.084 version 14.0.0 Release 14) floppy3TECHNICAL SPECIFICATION GLOBAL SYSTEM FOR MOBILE COMM

2、UNICATIONSRETSI ETSI TS 123 084 V14.0.0 (2017-04)13GPP TS 23.084 version 14.0.0 Release 14Reference RTS/TSGC-0423084ve00 Keywords GSM,UMTS 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 Associat

3、ion but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 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 v

4、ersions of the present document shall not be modified without the prior 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

5、specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If y

6、ou find errors in the present document, please send your comment to one of the following 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 mi

7、crofilm except as authorized by written permission of ETSI. The content of the PDF 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 2017. All right

8、s reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI 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 ow

9、ned by the GSM Association. ETSI ETSI TS 123 084 V14.0.0 (2017-04)23GPP TS 23.084 version 14.0.0 Release 14Intellectual 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 publi

10、cly 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 respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI

11、Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, 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 m

12、ay become, essential to the present document. Foreword This Technical Specification (TS) has been produced by the ETSI 3rdGeneration Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These

13、 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 the present document “shall“, “shall not“, “should“, “should not“,

14、 “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 ETSI TS 123 084

15、 V14.0.0 (2017-04)33GPP TS 23.084 version 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g30 Scope 5g30.1 References 5g30.2 Abbreviations . 5g31 Multi Party service (MPTY). 5g31.1 Functions and information flows 5g31.2 Information store

16、d in the HLR . 28g31.3 State transition model . 28g31.4 Transfer of information from HLR to VLR 28g31.5 Information stored in the VLR . 28g31.6 Handover 28g31.7 Simultaneous use of Multi Party operations . 28g3Annex A: Change history 29g3History 30g3ETSI ETSI TS 123 084 V14.0.0 (2017-04)43GPP TS 23.

17、084 version 14.0.0 Release 14Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify the cont

18、ents 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 to TSG for approval; 3 or greater indicates TSG approved do

19、cument 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 document. ETSI ETSI TS 123 084 V14.0.0 (2017-04)53GPP TS 23.

20、084 version 14.0.0 Release 140 Scope The present document gives the stage 2 description of the multi party supplementary services. Only one multi party supplementary service has been defined, this is the Multi Party (MPTY) service, and is described in clause 1. 0.1 References The following documents

21、 contain provisions which, through 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

22、 non-specific reference, the latest version 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 3GPP TR 21.905: “3G Vocabulary“. 2 3GPP TS 2

23、3.011: “Technical realization of supplementary services - General Aspects“. 3 3GPP TS 23.083: “Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 2“. 4 3GPP TS 23.018: “Basic Call Handling” 0.2 Abbreviations In addition to those below, abbreviations used in the present document ar

24、e listed in 3GPP TR 21.905 1. SII2 Service Interaction Indicators Two 1 Multi Party service (MPTY) 1.1 Functions and information flows The following Mobile Additional Function has been identified for the Multi Party service: MAF026 Multi Party service related authorizations examination The ability o

25、f a PLMN component to determine the authorizations relating to Multi Party service. See figure 2.1. Location: VLR The SDL diagrams for the Multi Party service are shown in figures 1.2 and 1.3. The procedure Handle_MPTY shows the status of the service as perceived by the served mobile subscriber, as

26、well as the status as perceived by any of the other parties. Beside this, the SDL diagrams show the actions to be taken by the network and the information provided by the network to the users. Figure 1.x: the procedure Update_Non_Speech_Calls_Status is defined in 3GPP TS 23.018 4. The information fl

27、ow for the MPTY service is shown in figure 1.5. ETSI ETSI TS 123 084 V14.0.0 (2017-04)63GPP TS 23.084 version 14.0.0 Release 14In the information flow it is assumed that the served subscriber is a mobile subscriber and that the other parties are all fixed ISDN subscribers. For the purposes of the in

28、formation flow diagrams it is assumed that there are only two remote parties. Where there are more than two remote parties, signals to any party connected to the MPTY bridge shall be sent to all other parties connected to the MPTY bridge, except where a single remote party is to be selected for a pr

29、ivate communication. As a consequence of this assumption, after the MPTY is split (to establish a private communication) it contains only one remote party. However, the end state for disconnection of or by that remaining remote party is shown as A-B ACTIVE / MPTY HELD. This is to indicate that the d

30、isconnection by a single remote party will not necessarily cause the MPTY call to be released. This will happen only when that remote party is the only remaining party in the MPTY call. Party A is the subscriber controlling the MPTY call (served mobile subscriber). Party B is the first remote party

31、called. Party C is the second remote party called. Remote parties are disconnected by the generic disconnect/release procedure. Any scenario requiring disconnection of remote parties shown in the SDL diagrams but not explicitly shown in the flow diagrams shall follow the procedure shown in the flow

32、diagrams for similar scenarios. Functions to be performed by the fixed ISDN (for example hold authorizations examination) are not shown in the information flow; only the functions to be performed by the PLMN are shown. It is assumed that the MPTY bridge is located in the MSC. To avoid having two cal

33、ls on hold at the same time the reception of the retrieve request is supervised by a retriever timer T as defined in 3GPP TS 23.083 3. Note that while the MPTY is on hold, the remote parties can continue to communicate with each other. ETSI ETSI TS 123 084 V14.0.0 (2017-04)73GPP TS 23.084 version 14

34、.0.0 Release 14Figure 1.1: MAF026 Multi Party service related authorisations examination (VLR) Process in the VLR to checkif MPTY is provisioned.Process MPTY_MAF026 384_11(1)Signals to/from the left areto/from the MSC.IdleCheckMPTYsubscriptionMPTYprovisionedSS-CSIprovisioned?MPTY markedin CSI?Indica

35、tor:=MPTY_availableIndicator:=MPTY_available+ SS-CSIIndicator:=MPTY_not_availableProcessMPTYIdleYesNoYesNoNoYesETSI ETSI TS 123 084 V14.0.0 (2017-04)83GPP TS 23.084 version 14.0.0 Release 14Figure 1.2 (sheet 1 of 16): Procedure Handle_MPTY Procedure in the serving MSC to handle an MPTY call.Procedur

36、e Handle_MPTY MPTY_1(16)Signals to/from the left are to/from the controller (A party);signals to/from the right are to/fromthe B party unless otherwise stated.Check_MPTYConnect A, Band CSpeech_CallA:=MPTYSpeech_CallB:=NullMPTY_Remote_Parties:=2RetrieveindicationMulti partyindicationMulti partyindica

37、tionTo C partyMPTYackSS-CSIpresent?SS InvocationNotifyTo gsmSCFActive_MPTYMPTYrejectResult:=FailPassYesNoFailETSI ETSI TS 123 084 V14.0.0 (2017-04)93GPP TS 23.084 version 14.0.0 Release 14Figure 1.2 (sheet 2 of 16): Procedure Handle_MPTY Procedure in the serving MSC to handle an MPTY call.Procedure

38、Handle_MPTY MPTY_2(16)Signals to/from the left are to/from the controller (A party);signals to/from the right are to/from all/anyremote parties unless otherwise stated.Active_MPTYDisconnectMPTYDisconnectMPTYMPTY_Remote_Parties:=0Speech_CallA:=NullSpeech_Call_Cnt:=0MPTYDisconnectedResult:=EndDisconne

39、ctone party(e.g. C)Disconnect CMPTY_Remote_Parties:=MPTY_Remote_Parties - 1Call CdisconnectedAnyremaining partiesin MPTY?Result:=EndActive_MPTYDisconnect(e.g. C)Privatecommunication(e.g. F)Hold MPTY andmake specifiedcall activeMPTY_Remote_Parties:=MPTY_Remote_Parties - 1Speech_CallB:=ActiveHoldindic

40、ationTo all partiesexcept FPrivatecommunicationackHeld_MPTY_and_active_callNoYesETSI ETSI TS 123 084 V14.0.0 (2017-04)103GPP TS 23.084 version 14.0.0 Release 14Figure 1.2 (sheet 4 of 16): Procedure Handle_MPTY Procedure in the serving MSC to handle an MPTY call.Procedure Handle_MPTY MPTY_4(16)Signal

41、s to/from the left are to/from the controller (A party);signals to/from the right are to/from all/anyremote parties unless otherwise stated.Held_MPTYDisconnectMPTYDisconnectMPTYMPTY_Remote_Parties:=0Speech_CallA:=NullSpeech_Call_Cnt:=0MPTYDisconnectedResult:=EndDisconnectone party(e.g. C)DisconnectC

42、MPTY_Remote_Parties:=MPTY_Remote_Parties - 1Call CdisconnectedAnyremaining partiesin MPTY?Held_MPTYDisconnect(e.g. C)RetrieveMPTYRetrieveheld MPTYRetrieveindicationRetrieveackActive_MPTYHoldindicationHoldindicationHeld_MPTYRetrieveindicationRetrieveindicationNoYesETSI ETSI TS 123 084 V14.0.0 (2017-0

43、4)113GPP TS 23.084 version 14.0.0 Release 14Figure 1.2 (sheet 5 of 16): Procedure Handle_MPTY Procedure in the serving MSC to handle an MPTY call.Procedure Handle_MPTY MPTY_5(16)Signals to/from the left areto/from the controller (A party);Signals to/from the right are to/from either process OCH_MSCo

44、r process ICH_MSC.Held_MPTYAnswerwaiting call(e.g. F)SpeechTCHrequiredIs therea waitingcall?Speech_CallB:=SetupAnswerwaiting callrejectConnect FAllocateTCHSpeech_Call_Cnt:=Speech_Call_Cnt + 1Speech_CallB:=ActiveHeld_MPTYHeld_MPTY_Active_CallHeld_MPTY_Call_SetupCallestablishedCall setupfailedSpeech_C

45、all_Cnt:=Speech_Call_Cnt + 1Speech_CallB:=ActiveSpeech_CallB:=NullHeld_MPTY_Active_CallHeld_MPTYNoYesETSI ETSI TS 123 084 V14.0.0 (2017-04)123GPP TS 23.084 version 14.0.0 Release 14Figure 1.2 (sheet 6 of 16): Procedure Handle_MPTY Procedure in the serving MSC to handle an MPTY call.Procedure Handle_

46、MPTY MPTY_6(16)Signals to/from the left are to/from the controller (A party);signals to/from the right are to/from all/anyremote parties unless otherwise stated.Held_MPTY_Active_CallDisconnectMPTYDisconnectMPTYMPTYdisconnectedMPTY_Remote_Parties:=0Speech_CallA:=ActiveSpeech_CallB:=NullSpeech_Call_Cn

47、t:=1Result:=End_ActiveDisconnect(e.g. C)DisconnectCCall CdisconnectMPTY_Remote_Parties:=MPTY_Remote_Parties - 1Anyremaining partiesin MPTY?Held_MPTY_Active_CallDisconnectactive call(e.g. F)DisconnectFCall FdisconnectedSpeech_Call_Cnt:=Speech_Call_Cnt -1Speech_CallB:=NullHeld_MPTYDisconnectactive cal

48、l(e.g. F)Disconnect oneheld party(e.g. C)YesNoETSI ETSI TS 123 084 V14.0.0 (2017-04)133GPP TS 23.084 version 14.0.0 Release 14Figure 1.2 (sheet 7 of 16): Procedure Handle_MPTY Procedure in the serving MSC to handle an MPTY call.Procedure Handle_MPTY MPTY_7(16)Signals to/from the left are to/from the

49、 controller (A party);signals to/from the right are to/from all/anyremote parties unless otherwise stated.Held_MPTY_Active_CallAdd party(e.g. F)Another partypermitted?Connect Fto MPTYMPTY_Remote_Parties:=MPTY_Remote_Parties + 1Speech_CallB:=NullMPTYindicationRetrieveindicationTo F party onlyAdd partyackActive_MPTYAdd partyrejectHeld_MPTY_Active_CallHoldindicationHoldindicationHeld_MPTY_Active_callRetrieveindicationRetrieveindicationHold activecallStart THeld_MPTY_Active_Call_Timed_SwapYesNoETSI ETSI TS 123 084 V14.0.0 (2017-04)143GPP TS 23.084 version 14.0.0 Rel