ETSI TS 122 135-2018 Universal Mobile Telecommunications System (UMTS) LTE Multicall Service description Stage 1 (V15 0 0 3GPP TS 22 135 version 15 0 0 Release 15).pdf

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1、 ETSI TS 122 135 V15.0.0 (2018-07) Universal Mobile Telecommunications System (UMTS); LTE; Multicall; Service description; Stage 1 (3GPP TS 22.135 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 122 135 V15.0.0 (2018-07)13GPP TS 22.135 version 15.0.0 Release 15Reference RTS/TSGS-0122

2、135vf00 Keywords LTE,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 Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document

3、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 written authorization of ETSI. In case of

4、 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 document should be aware that the document m

5、ay 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 you find errors in the present document, please send your comment to one of the following services: https:/portal.

6、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 PDF version shall not be modified

7、without the written 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 LTETMare trademarks of

8、 ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSMand the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 122 135 V15.0.0 (2018-07)23GPP TS 22.135 version 15.0.0 Relea

9、se 15Intellectual 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 31

10、4: “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 investigati

11、on, 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. Trademarks The present document may

12、include trademarks and/or tradenames which are asserted and/or registered by their owners. ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the p

13、resent document 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 specificatio

14、ns 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 http:/webapp.etsi.org/key/queryform.asp. Modal verb

15、s 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 all

16、owed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 122 135 V15.0.0 (2018-07)33GPP TS 22.135 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions, symbols and abbrevia

17、tions . 6g33.1 Definitions 6g34 Description . 7g34.1 Description of multicall 7g34.2 Applicability to telecommunication services 7g35 Functional requirements . 7g35.1 Provision 7g35.2 Withdrawal . 7g35.3 Registration 7g35.4 Erasure 7g35.5 Activation . 8g35.6 Deactivation . 8g35.7 Invocation . 8g35.8

18、 Interrogation . 8g35.9 Call related procedures . 8g35.9.1 Terminating CS call 8g35.9.2 Originating CS call . 8g35.10 Charging requirements . 9g36 Exceptional procedures or unsuccessful outcome 9g36.1 Exceptional operation or unsuccessful outcome . 9g36.2 Registration 9g36.3 Erasure 9g36.4 Activatio

19、n . 9g36.5 Deactivation . 9g36.6 Invocation . 9g36.7 Interrogation . 9g36.8 Roaming in non-supporting networks 10g37 Interaction with other services . 10g37.1 Line Identification 10g37.1.1 Calling Line Identification Presentation (CLIP) . 10g37.1.2 Calling Line Identification Restriction (CLIR) . 10

20、g37.1.3 Connected Line Identification Presentation (COLP) 10g37.1.4 Connected Line Identification Restriction (COLR) 10g37.2 Call Forwarding 10g37.2.1 Call Forwarding Unconditional (CFU) . 10g37.2.2 Call Forwarding on Busy (CFB) . 10g37.2.3 Call Forwarding on No Reply (CFNRy) . 10g37.2.4 Call Forwar

21、ding on Not Reachable (CFNRc) . 10g37.3 Call Completion . 10g37.3.1 Call Hold (CH) . 10g37.3.2 Call Waiting (CW) 11g37.4 Multi Party (MPTY) . 11g37.5 Closed User Group (CUG) . 11g37.6 Advice of Charge (AoC) 11g37.7 Call Barring 11g37.7.1 Barring of all outgoing calls . 11g3ETSI ETSI TS 122 135 V15.0

22、.0 (2018-07)43GPP TS 22.135 version 15.0.0 Release 157.7.2 Barring of outgoing international calls . 11g37.7.3 Barring of outgoing international calls except those directed to the HPLMN country . 12g37.7.4 Barring of all incoming calls. 12g37.7.5 Barring of incoming calls when roaming 12g37.8 Explic

23、it Call Transfer (ECT) 12g37.9 Completion of Call to Busy Subscriber (CCBS) 12g37.10 Multiple Subscriber Profile (MSP) . 12g37.11 Calling Name Presentation (CNAP) . 12g37.12 User-to-User Signalling (UUS) 12g37.13 enhanced Multi-Level Precedence and Pre-emption service (eMLPP) 12g37.14 Call Deflectio

24、n (CD) 12g38 Interaction with other network features and services . 12g38.1 CAMEL 12g38.2 IST 12g38.3 ODB . 13g38.4 Emergency Calls 13g3Annex A (normative): Busy definition . 14g3Annex B (informative): Cross Phase Compatibility 15g3B.1 Compatibility With Existing Standards 15g3B.2 Compatibility With

25、 Future Releases 15g3B.2.1 Multicall configuration . 15g3B.2.2 Several simultaneous speech calls / bearers . 15g3B.2.3 CCBS 16g3Annex C (informative): Change history . 17g3History 19g3ETSI ETSI TS 122 135 V15.0.0 (2018-07)53GPP TS 22.135 version 15.0.0 Release 15Foreword This Technical Specification

26、 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 following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an i

27、dentifying 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 document under change control. y the second digit is incremented for all ch

28、anges 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 122 135 V15.0.0 (2018-07)63GPP TS 22.135 version 15.0.0 Release 151 Scope The present document presents descri

29、bes Multicall supplementary service. The general aspects, including definitions and recommended provision, of the description of the 3GPP Supplementary Services are given in 3GPP TS 22.004. 2 References The following documents contain provisions which, through reference in this text, constitute prov

30、isions 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 version applies. In the case of a reference

31、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 TS 22.001: “Principles of circuit telecommunication services supported by a Public Land Mobile Network (PLMN)“. 2 3GPP

32、TS 22.004: “General on Supplementary Services“. 3 3GPP TS 22.024: “Description of Charge Advice Information (CAI)“. 4 3GPP TS 22.030: “Man-Machine Interface (MMI) of the Mobile Station (MS)“. 5 3GPP TS 22.100: “UMTS Phase 1 Release 99“. 6 3GPP TS 22.129: “Handover Requirement between UTRAN and GERAN

33、 or other Radio Systems“. 7 3GPP TS 22.097: “Multiple Subscriber Profile (MSP) “. 3 Definitions, symbols and abbreviations 3.1 Definitions CS Call: Circuit switched call. A call routed through CS domain. CS call can be for example a speech call, fax call or data call. One call shall only use one bea

34、rer at the time Multiparty: Supplementary Service for speech conference service Ncs MO: maximum number of simultaneous mobile originating CS calls. The value of The Value of Ncs_MOis 7. If Ncs_MO has been reached, no more MO calls can be setup NCS_MT: Maximum number of simultaneous mobile terminatin

35、g CS calls. The value of NCS_MT is 7. If NCS_MT has been reached, additional MT call attempts shall fail without any indication to the called subscriber Nbr: Maximum number of simultaneous CS bearers. The value of Nbr is the smallest value within the Nbr_User, Nbr_UE, and Nbr_SN Nbr_User: Maximum nu

36、mber of simultaneous CS bearers allowed, as defined by the user within the limits given by Nbr_SB Nbr_SB: Maximum number of simultaneous CS bearers allowed, defined by the service provider in the Multicall subscription Nbr_UE: Maximum number of simultaneous CS bearers supported by the UE ETSI ETSI T

37、S 122 135 V15.0.0 (2018-07)73GPP TS 22.135 version 15.0.0 Release 15Nbr_SN: Maximum number of simultaneous CS bearers supported by the serving network 4 Description 4.1 Description of multicall The Multicall supplementary service enables a mobile subscriber to have several simultaneous CS calls, eac

38、h call using its own dedicated bearer. Only one CS bearer can used for speech at any one times. A speech call is one of TS11 (Telephony), TS12 (Emergency Calls), and TS61 (Alternate speech/fax). If the bearer capability information is not available, e.g. the call is originated/transited by a PSTN, t

39、he basic service cannot be deduced and the network shall, for multicall purposes, handle the call as telephony. A held call shall be regarded as using the bearer used while the call was active. NOTE: The 3GPP protocol architecture allows several parallel CS calls, the limitation being that there is

40、only one traffic channel in GERAN, which the different CS calls share. This is facilitated by e.g. the Call Waiting, Call Hold, Call Transfer and Multiparty Supplementary Services. Call configurations related to supplementary services are not considered as Multicall. See clause 7 for interaction. It

41、 shall be possible for each CS call to use a dedicated bearer of independent traffic and performance characteristics. It shall be possible to release each active CS call independently of any other CS call. 4.2 Applicability to telecommunication services The applicability of this Supplementary Servic

42、e is defined in 3GPP TS 22.004. 5 Functional requirements 5.1 Provision Multicall is provided by prior arrangement with the service provider. Multicall shall be provisioned for all Basic Services (BS) subscribed to and to which it is applicable, i.e. not to any subset of these BS. When the Multicall

43、 supplementary service is provisioned the maximum number of simultaneous CS beares available to the subscriber (Nbr_SB) shall be defined as part of the subscription. The value for Nbr_SB shall in the range from 2 up to 7. 5.2 Withdrawal It shall be possible to withdraw the Multicall supplementary se

44、rvice subscription on request of the subscriber or for administrative reasons. 5.3 Registration The user shall be able to modify the maximum number of CS bearers available (Nbr_User) within the limitations set by the service provider. (Nbr_SB). If the subscriber attempts to register a value for Nbr_

45、User that is higher than the value of Nbr_SB, the request shall be rejected and the subscriber shall be informed on the unsuccessful outcome on the request. 5.4 Erasure Data related to the Multicall supplementary service shall be erased by the service provider as a result of withdrawal. ETSI ETSI TS

46、 122 135 V15.0.0 (2018-07)83GPP TS 22.135 version 15.0.0 Release 155.5 Activation The Multicall supplementary service shall be activated by the service provider as a result of provision. 5.6 Deactivation The Multicall supplementary service shall be deactivated by the service provider as a result of

47、withdrawal. 5.7 Invocation The Multicall supplementary service shall be invoked by the system when at least one call is in progress and another call with a dedicated bearer is to be set up. The Multicall service applies to mobile originating and mobile terminating calls. 5.8 Interrogation The user s

48、hall be able to interrogate the network for the values of Nbr_User, Nbr_SB and Nbr_SN. 5.9 Call related procedures 5.9.1 Terminating CS call The indication of a terminating CS call to the mobile terminal will be done by the Multicall supplementary service until either the maximum number of bearer (N

49、br) or the maximum number of CS mobile terminating calls (Ncs_MT) has been reached. If the maximum number of terminating calls (Ncs_MT) has been reached, and additional terminating call shall be reject without any indication to the subscriber. If the maximum number of bearers (Nbr) has been reached an additional terminating call will be only indicated to the user if the user has the Call Waiting supplementary service active, see chapter 7.4.2 for interactions with Call Waiting. If Nbr and Ncs_MThavenot been reached, a terminating call is indicated to the u