1、 International Telecommunication Union ITU-T E.212TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (05/2008) SERIES E: OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS International operation Maritime mobile service and public land mobile service The international ide
2、ntification 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 concerning Administrations E.104E.119 G
3、eneral 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 plan of the international telephone
4、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 call durations for accounting purp
5、oses 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 statistics E.400E.404 Internation
6、al 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.510E.519 Determination of the nu
7、mber 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 TELECOMMUNICATION SERVICES: CONCEPTS, M
8、ODELS, 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.845E.859 Use of quality of servic
9、e 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 For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T E.212 (05/2008) i Recommendati
10、on ITU-T E.212 The international identification plan for public networks and subscriptions Summary The purpose of Recommendation ITU-T E.212 is to define a unique international identification plan for public fixed and mobile networks providing users with access to public telecommunication services.
11、The E.212 identification plan was originally developed for the use in public land mobile networks (PLMN). The plan is hierarchical and identifies geographic areas, networks and subscriptions. The main body of this Recommendation describes the pure identification plan. Guidance on how to use this res
12、ource is described in the annexes. The international mobile subscription identities (IMSIs) are independent from the national numbering plans. In general, this Recommendation uses the term subscription because an IMSI identifies subscriptions for access to public telecommunication services. Source R
13、ecommendation ITU-T E.212 was approved on 15 May 2008 by ITU-T Study Group 2 (2005-2008) under the WTSA Resolution 1 procedure. Annexes E and F were approved as Amendment 1 on 23 September 2008 by ITU-T Study Group 2 (2005-2008) under the WTSA Resolution 1 procedure. ii Rec. ITU-T E.212 (05/2008) FO
14、REWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studyi
15、ng technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups
16、 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 of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO
17、 and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions
18、 (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“ or some other obligatory language such as “must“ and the negative equivalents are used to express requirements. The use of such wor
19、ds does not suggest that compliance with the Recommendation is required of any party. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU takes no position con
20、cerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, ITU had not received notice of intellectual property, protected by
21、patents, which may be required to implement this Recommendation. However, implementers are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2008 All rights reserved. No part of this p
22、ublication may be reproduced, by any means whatsoever, without the prior written permission of ITU. Rec. ITU-T E.212 (05/2008) iii CONTENTS Page 1 Scope 1 2 References. 1 3 Definitions 1 4 Abbreviations 2 5 Considerations 2 6 IMSI structure, format and assignment procedures 3 6.1 Structure and forma
23、t of the IMSI . 3 6.2 IMSI assignment procedures 3 Annex A Criteria and procedures for the assignment and reclamation of shared E.212 mobile 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 Crite
24、ria 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 Appeals 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 additiona
25、l MCC to a country. 9 Annex D Use of mobile subscription identification number (MSIN) within geographic MCCs 10 Annex E The use of an MCC+MNC in a country other than the country to which the MCC has been assigned by the Director of TSB 11 E.1 Introduction 11 E.2 Procedure to be followed for the impl
26、ementation of an extra-territorial use of an MCC+MNC 11 E.3 Voluntary return of an MNC 12 E.4 Criteria for cancellation of extra-territorial use 12 E.5 Cancellation procedures . 12 Annex F Illustration of uses of E.212 resources . 13 F.1 Introduction 13 F.2 Mobile networks (PLMN) 13 F.4 Satellite an
27、d non-terrestrial networks. 13 F.5 Universal personal telecommunication (UPT) . 14 iv Rec. ITU-T E.212 (05/2008) Page Appendix I Form A: Notification of the use of an MCC/MNC extra-territorially . 15 Appendix II Form B: Notification of the cancellation of use of an MCC/MNC extra-territorially 16 Bib
28、liography. 17 Rec. ITU-T E.212 (05/2008) v Introduction The purpose of this Recommendation is to define a unique international identification plan for public fixed and mobile networks providing users with access to public telecommunication services. The E.212 identification plan was originally devel
29、oped for the use in public land mobile networks (PLMN). The plan is hierarchical and identifies geographic areas, networks and subscriptions. The main body of this Recommendation describes the pure identification plan. Guidance on how to use this resource is described in the annexes. The internation
30、al mobile subscription identities (IMSIs) are independent from the national numbering plans. In general, this Recommendation uses the term subscription because an IMSI identifies subscriptions for access to public telecommunication services. Rec. ITU-T E.212 (05/2008) 1 Recommendation ITU-T E.212 Th
31、e 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 prevents dupl
32、ication. 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 subject t
33、o 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 document withi
34、n this Recommendation does not give it, as a stand-alone document, the status of a Recommendation. ITU-T E.164 Recommendation ITU-T E.164 (2005), The international public telecommunication numbering plan. ITU-T E.164.1 Recommendation ITU-T E.164.1 (2006), Criteria and procedures for the reservation,
35、 assignment and reclamation of E.164 country codes and associated identification 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 “
36、country“, “destination country“ or “originating country“ is used in this Recommendation, it identifies a specific country, a group of countries in an integrated numbering plan or a specific geographical area. This Recommendation defines the following terms: 3.1 home network: The network of the opera
37、tor 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 mobile c
38、ountry 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 country. MCC
39、s in the 90x range are administered by the Director of TSB. 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 numbering plan administrator. The MNC, in combination with the MCC, provides sufficie
40、nt 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 to 10 digits in length, and is administered by the relevant operator to identify individual subscriptions. 2 Rec. ITU-T E.212 (05/2008) 3.6 national nu
41、mbering plan administrator: The organization (e.g., National Regulatory Authority/Administration) in charge of the administration of national naming, numbering and addressing plans. 3.7 operator: An operating agency providing public telecommunications networks or public telecommunication services. 4
42、 Abbreviations This Recommendation uses the following abbreviations: IMSI International Mobile Subscription Identity MCC Mobile Country Code MNC Mobile Network Code MSIN Mobile Subscription Identification Number TSB Telecommunication Standardization Bureau UPT Universal Personal Telecommunication 5
43、Considerations The considerations that form the basis for this international identification plan for networks and subscriptions are as follows: a) The assignment 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 servic
44、es 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 relevant MNC assignee in accordance with the national policy. e) The IMSI shall not exceed 15 digits in length. f) For 90x MCCs, the length
45、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 Recommendations. g) The IMSI assigned to a subscription under this identification plan should not be directly related to numbers assigned to that
46、same subscription under “The international public telecommunications numbering plan“ ITU-T E.164. h) The IMSI should, if necessary, enable: 1) determination of the home network; 2) identification of subscriptions, when information about a specific subscription is exchanged between networks; 3) ident
47、ification of subscriptions for charging and billing purposes; 4) identification and management of subscription, e.g., for registering, authenticating, signalling, retrieving, providing, changing and updating of subscription data. i) The IMSI is not intended to be used for dialling purposes. This lis
48、t is not exhaustive. Rec. ITU-T E.212 (05/2008) 3 6 IMSI structure, format and assignment procedures 6.1 Structure and format of the IMSI The IMSI structure and format are as shown in Figure 1. MCC Mobile Country CodeMNC Mobile Network CodeMSIN Mobile Subscription Identification NumberIMSI Internati
49、onal Mobile Subscription IdentityFigure 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 are administered by the national numbering plan administrator within each country in accordance with the principle in Annex B. 6.2.3 MSINs are administered by the relevant MNC assignee in accordance with national or relevant ITU-T Recommendations. 6.2.4 In principle, only one IMSI should be assigned to each subscription, although multiple
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