1、 I n t e r n a t i o n a l T e l e c o m m u n i c a t i o n U n i o n ITU-T E.212 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (09/2016) SERIES E: OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS International operation Maritime mobile service and public land mob
2、ile service The international identification plan for public networks and subscriptions Recommendation ITU-T E.212 ITU-T E-SERIES RECOMMENDATIONS OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS INTERNATIONAL OPERATION Definitions E.100E.103 General provisions concer
3、ning Administrations E.104E.119 General provisions concerning users E.120E.139 Operation of international telephone services E.140E.159 Numbering plan of the international telephone service E.160E.169 International routing plan E.170E.179 Tones in national signalling systems E.180E.189 Numbering pla
4、n of the international telephone service E.190E.199 Maritime mobile service and public land mobile service E.200E.229 OPERATIONAL PROVISIONS RELATING TO CHARGING AND ACCOUNTING IN THE INTERNATIONAL TELEPHONE SERVICE Charging in the international telephone service E.230E.249 Measuring and recording c
5、all durations for accounting purposes E.260E.269 UTILIZATION OF THE INTERNATIONAL TELEPHONE NETWORK FOR NON-TELEPHONY APPLICATIONS General E.300E.319 Phototelegraphy E.320E.329 ISDN PROVISIONS CONCERNING USERS E.330E.349 INTERNATIONAL ROUTING PLAN E.350E.399 NETWORK MANAGEMENT International service
6、statistics E.400E.404 International network management E.405E.419 Checking the quality of the international telephone service E.420E.489 TRAFFIC ENGINEERING Measurement and recording of traffic E.490E.505 Forecasting of traffic E.506E.509 Determination of the number of circuits in manual operation E
7、.510E.519 Determination of the number of circuits in automatic and semi-automatic operation E.520E.539 Grade of service E.540E.599 Definitions E.600E.649 Traffic engineering for IP-networks E.650E.699 ISDN traffic engineering E.700E.749 Mobile network traffic engineering E.750E.799 QUALITY OF TELECO
8、MMUNICATION SERVICES: CONCEPTS, MODELS, OBJECTIVES AND DEPENDABILITY PLANNING Terms and definitions related to the quality of telecommunication services E.800E.809 Models for telecommunication services E.810E.844 Objectives for quality of service and related concepts of telecommunication services E.
9、845E.859 Use of quality of service objectives for planning of telecommunication networks E.860E.879 Field data collection and evaluation on the performance of equipment, networks and services E.880E.899 OTHER E.900E.999 INTERNATIONAL OPERATION Numbering plan of the international telephone service E.
10、1100E.1199 NETWORK MANAGEMENT International network management E.4100E.4199 For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T E.212 (09/2016) i Recommendation ITU-T E.212 The international identification plan for public networks and subscriptions Summary Recommendati
11、on ITU-T E.212 defines a unique international identification plan for public fixed and mobile networks providing users with access to public telecommunication services. The ITU-T E.212 identification plan was originally developed for use in public land mobile networks (PLMNs). The plan is hierarchic
12、al and identifies geographic areas, networks and subscriptions. The main body of this Recommendation describes the pure identification plan. History Edition Recommendation Approval Study Group Unique ID* 1.0 ITU-T E.212 1984-10-19 11.1002/1000/3197 2.0 ITU-T E.212 1988-11-25 11.1002/1000/440 3.0 ITU
13、-T E.212 1998-11-13 2 11.1002/1000/4528 3.1 ITU-T E.212 (1998) Amd. 1 2003-05-02 2 11.1002/1000/6245 4.0 ITU-T E.212 2004-05-28 2 11.1002/1000/7186 4.1 ITU-T E.212 (2004) Amd. 1 2007-02-08 2 11.1002/1000/8849 5.0 ITU-T E.212 2008-05-15 2 11.1002/1000/9300 5.1 ITU-T E.212 (2008) Amd. 1 2008-09-23 2 1
14、1.1002/1000/9523 5.3 ITU-T E.212 (2008) Amd. 2 2010-11-18 2 11.1002/1000/9114 5.4 ITU-T E.212 (2008) Amd. 3 2011-06-10 2 11.1002/1000/11032 6.0 ITU-T E.212 2016-09-23 2 11.1002/1000/12831 * To access the Recommendation, type the URL http:/handle.itu.int/ in the address field of your web browser, fol
15、lowed by the Recommendations unique ID. For example, http:/handle.itu.int/11.1002/1000/11830-en. ii Rec. ITU-T E.212 (09/2016) FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and communication technolog
16、ies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommun
17、ication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas o
18、f information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operati
19、ng agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions (to ensure, e.g., interoperability or applicability) and compliance with the Recommendation is achieved when all of these mandatory provisions are met. The words “shall“
20、or some other obligatory language such as “must“ and the negative equivalents are used to express requirements. The use of such words does not suggest that compliance with the Recommendation is required of any party. INTELLECTUAL PROPERTY RIGHTSITU draws attention to the possibility that the practic
21、e or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation developme
22、nt process. As of the date of approval of this Recommendation, ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementers are cautioned that this may not represent the latest information and are therefore
23、strongly urged to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2017 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. Rec. ITU-T E.212 (09/2016) iii Table of Contents Page 1 Scope . 1 2 Re
24、ferences . 1 3 Definitions 1 4 Abbreviations and acronyms 2 5 Considerations 2 6 IMSI structure, format and assignment procedures 3 6.1 Structure and format of the IMSI . 3 6.2 IMSI assignment procedures 3 Annex A Criteria and procedures for the assignment and reclamation of shared ITU-T E.212 mobil
25、e country codes (MCC) for networks and their respective mobile network codes (MNCs) . 4 A.1 Introduction 4 A.2 Scope 4 A.3 Principles for assignment . 4 A.4 Criteria for assignment . 4 A.5 Assignment . 5 A.6 Voluntary return of unused MNCs . 6 A.7 Criteria for reclamation 6 A.8 Reclamation 6 A.9 Rec
26、onsideration process . 7 Annex B Principles for the assignment of mobile network codes (MNCs) within geographic MCCs . 8 Annex C Procedures for the assignment of an additional MCC to a country . 10 Annex D Use of mobile subscription identification number (MSIN) . 11 Annex E The use of an MCC+MNC in
27、a country other than the country to which the MCC has been assigned by the Director of TSB 12 E.1 Introduction 12 E.2 Procedure to be followed for implementation of the extra-territorial use of an MCC+MNC . 12 E.3 Voluntary return of an MNC 13 E.4 Criteria for cancellation of extra-territorial use 1
28、3 E.5 Cancellation procedures . 13 Annex F Illustration of uses of ITU-T E.212 resources 14 F.1 Introduction 14 F.2 Mobile networks (PLMN) 14 F.3 Fixed networks (PSTN) 14 iv Rec. ITU-T E.212 (09/2016) Page F.4 Satellite and non-terrestrial networks . 14 F.5 Universal personal telecommunication (UPT)
29、 . 15 F.6 Services used globally 15 F.7 Networks . 15 Appendix I Form A: Notification of the use of an MCC/MNC extra-territorially . 16 Appendix II Form B: Notification of the cancellation of use of an MCC/MNC extra-territorially 17 Bibliography. 18 Rec. ITU-T E.212 (09/2016) 1 Recommendation ITU-T
30、E.212 The international identification plan for public networks and subscriptions 1 Scope This Recommendation describes a unique and unambiguous identification plan for subscriptions and the format of the IMSI. It establishes procedures for the assignment of fields of the IMSI in a manner that preve
31、nts duplication. 2 References The following ITU-T Recommendations and other references contain provisions which, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other references are s
32、ubject to revision; users of this Recommendation are therefore encouraged to investigate the possibility of applying the most recent edition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly published. The reference to a docume
33、nt within this Recommendation does not give it, as a stand-alone document, the status of a Recommendation. ITU-T E.101 Recommendation ITU-T E.101 (2009), Definitions of terms used for identifiers (names, numbers, addresses and other identifiers) for public telecommunication services and networks in
34、the E-series Recommendations. ITU-T E.164 Recommendation ITU-T E.164 (2010), The international public telecommunication numbering plan. ITU-T E.164.1 Recommendation ITU-T E.164.1 (2006), Criteria and procedures for the reservation, assignment and reclamation of E.164 country codes and associated ide
35、ntification codes (ICs). ITU-T E.190 Recommendation ITU-T E.190 (1997), Principles and responsibilities for the management, assignment and reclamation of E-series international numbering resources. 3 Definitions Whenever the term “country“, “destination country“ or “originating country“ is used in t
36、his Recommendation, it identifies a specific country, a group of countries in an integrated numbering plan or a specific geographical area. The terms “Operator“ and “National numbering plan administrator“ are defined in ITU-T E.101. This Recommendation defines the following terms: 3.1 home network:
37、The network responsible for the subscription identified by the elements within the IMSI. 3.2 international mobile subscription identity (IMSI): The IMSI is a string of decimal digits, up to a maximum length of 15 digits, which identifies a unique subscription. The IMSI consists of three fields: the
38、mobile country code (MCC), the mobile network code (MNC), and the mobile subscription identification number (MSIN). 3.3 mobile country code (MCC): The MCC is the first field of the IMSI and is three digits in length and identifies a country. The Director of TSB may assign more than one MCC to a coun
39、try. MCCs in the 90x range are non-geographic MCCs (country-agnostic) and are administered by the Director of TSB. 2 Rec. ITU-T E.212 (09/2016) 3.4 mobile network code (MNC): The MNC is the second field of the IMSI, it is two or three digits in length and is administered by the respective national n
40、umbering plan administrator. MNCs under MCC ranges 90x are administered by the Director of TSB. The MNC, in combination with the MCC, provides sufficient information to identify the home network. 3.5 mobile subscription identification number (MSIN): The MSIN is the third field of the IMSI, it is up
41、to 10 digits in length, and is administered by the relevant MNC assignee to identify individual subscriptions. 4 Abbreviations and acronyms This Recommendation uses the following abbreviations and acronyms: IMSI International Mobile Subscription Identity MCC Mobile Country Code MNC Mobile Network Co
42、de MSIN Mobile Subscription Identification Number TSB Telecommunication Standardization Bureau UPT Universal Personal Telecommunication 5 Considerations The considerations that form the basis for this international identification plan for networks and subscriptions are as follows: a) The assignment
43、of E.212 resources is in conformance with the principles in ITU-T E.190. b) There may be more than one public network offering such services in a country. c) The MNC consists of 2 or 3 digits and the length of the MNC is a national matter. d) The number of digits of the MSINs is determined by the re
44、levant MNC assignee in accordance with the national policy. e) The IMSI shall not exceed 15 digits in length. f) For 90x MCCs, the length of MNCs is determined by the Director of TSB and the length of the MSINs is determined by the relevant MNC assignee in accordance with the relevant ITU-T Recommen
45、dations. g) The IMSI assigned to a subscription under this identification plan should not be directly related to numbers assigned to that same subscription under “The international public telecommunications numbering plan“ ITU-T E.164. h) The IMSI should, if necessary, enable: 1) determination of th
46、e home network; 2) identification of subscriptions, when information about a specific subscription is exchanged between networks; 3) identification of subscriptions for charging and billing purposes; 4) identification and management of subscription, e.g., for registering, authenticating, signalling,
47、 retrieving, providing, changing and updating of subscription data. i) The IMSI is not intended to be used for dialling purposes. This list is not exhaustive. Rec. ITU-T E.212 (09/2016) 3 6 IMSI structure, format and assignment procedures 6.1 Structure and format of the IMSI The IMSI structure and f
48、ormat are as shown in Figure 1. Figure 1 Structure and format of the IMSI 6.2 IMSI assignment procedures 6.2.1 The Director of TSB assigns MCCs in accordance with Annexes A and C. 6.2.2 MNCs associated with geographic MCCs are administered by the national numbering plan administrator within each cou
49、ntry in accordance with the principle in Annex B. 6.2.3 MSINs are administered by the relevant MNC assignee in accordance with relevant national or ITU-T Recommendations. 6.2.4 In principle, only one IMSI should be assigned to each subscription, although multiple subscriptions may be associated with a SIM/USIM/UICC/embedded SIM card. 4 Rec. ITU-T E.212 (09/2016) Annex A Criteria and procedures for the assignment and reclamation of shared ITU-T E.212 mobile country codes (MCC) for networks and their
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