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Outline of Numbering in Japan

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Outline of Numbering in Japan OutlineOutline ofof NumberingNumbering inin JapanJapan April 2010 SATO Kenji JICA Expert 1 ContentsContents 1. Outline of Current Situation and Basic Policy of Numbering 2. MNP (Mobile Number Portability) 3. Numbering Issues for NGN Era - FMC (Fixed Mobile Convergence) - ENUM 2 1.Outline of Current Situation and Basic Policy of Numbering 3 Telecommunications Number History in Japan Until 1985 NTT (Public company) managed all telecommunications numbers 1985 Liberalization of telecommunication sector Privatization of NTT New companies started telecommunications business. Big Bang of Telecommunications business. Necessity for Making telecommunications business rules. Telecommunications Numbers were defined on regulation for telecommunications facilities (1985) 4 The Function of Number - Service identification (Fixed? Mobile?) - Location identification (Near? Far?) - Tariff identification (If far, charge is high) - Quality identification (If fixed, better than mobile) - Social trust identification 5 Regulations for Telecommunication Numbers Telecommunication Business Law Article 50 (Standards for Telecommunications Numbers) (1) When any telecommunications carrier provides telecommunications services by using telecommunications numbers (numbers, signs or other codes that telecommunications carriers use in providing their telecommunications services, for identifying telecommunications facilities in order to connect places of transmission with places of reception, or identifying types or content of telecommunications services to provide; hereinafter the same shall apply), it shall ensure that its telecommunications numbers conform to the standards specified by an Ordinance of the Ministry of Internal Affairs and Communications. (2) The standards set forth in the preceding paragraph shall be specified so as to ensure the following matters: (i) The telecommunications numbers shall make it possible for telecommunications carriers and users to clearly and easily identify telecommunications facilities or types or content of the telecommunications services. (ii) Sufficient telecommunications numbers necessary for providing telecommunications services shall be secured. (iii) Changes to the telecommunications numbers shall be avoided as much as possible. (iv) The telecommunications numbers shall be used in a fair and efficient manner. 6 Procedures for Designation of Telecommunication Numbers PersonPerson whowho intendsintends toto launchlaunch aa ApplicationApplication forfor designationdesignation ofof telecommunicationstelecommunications businessbusiness telecommunicationstelecommunications numbernumber (Article (Article 15)15) ･･ReasonsReasons forfor requiringrequiring telecommunicationstelecommunications numbers Application numbers ･･NumberNumber ofof telecommunicationstelecommunications numbersnumbers requiredrequired andand reasonreason MIC ･･PlansPlans pertainingpertaining toto thethe numbernumber ofof telecommunicationstelecommunications numbersnumbers requiredrequired Examination ･･MethodsMethods toto managemanage telecommunicationstelecommunications numbersnumbers No items to be rejected ･･Network diagrams Report to Network diagrams ･･Matters confirming requirements stipulated Minister about Matters confirming requirements stipulated in Table 2 situation of DesignationDesignation in Table 2 using numbers etc (every year) etc Cases where Cases requiring Cases where contents of numbers are not additional designation to be used any longer designation changed without new designation Revocation of Submission of Notification of numbers Application changes again 7 Telephone Numbering Plan in Japan 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th digit digit digit digit digit digit digit digit digit digit digit Carrier Identification Codes ０ ０ X Y ０ ０ ２ Y Z ０ ０ ９ １ N1 N2 Pager (Calling party Pay:CPP) ０ ２ ０ C D E F G H J K IP Phone ０ ５ ０ C D E F G H J K FMC ０ ６ ０ C D E F G H J K PHS ０ ７ ０ C D E F G H J K Mobile phone ０ ８ ０ C D E F G H J K ０ ９ ０ C D E F G H J K Freephone Service (Toll Free) ０ １ ２ ０ D E F G H J ０ ８ ０ ０ D E F G H J K Message Dial Service ０ １ ７ ０ D E F G H J Mass calling service ０ １ ８ ０ D E F G H J Shared Cost Number Service ０ ５ ７ ０ D E F G H J Premimum Rate Service ０ ９ ９ ０ D E F G H J Fixed phone, ISDN, IP phone, ０ A B C D E F G H J Pager(not CPP) Area Code(1-5 digits) + Local Subscriber Number Exchange Number(0-4 digits) Emergency (Police) １ １ ０ Emergency(coast guard) １ １ ８ Emergency(Fire,Ambulance) １ １ ９ (In the above table, the bold type numbers are defined in the Ministrerial Ordinance “The Regulation on Telecommunications Numbering” and it’s Notification, and the numbers masked with gray color are the parts assigned to the carriers by the Minister.) 8 Ex. Telephone number of MIC: 03-5253-5111 Carrier Identification Codes (Since 1985) Connection process when you dial a carrier ID number (00XY) Long-distance company network . Connection process when you do not dial a carrier ID number. NTT network . [In case of long-distance call] < NTT > 0 - area code - local exchange number - subscriber number < New Common Carrier (NCC) > 00XY - 0 - area code - local exchange number – subscriber number [In case of international call] 00XY - 010 - CC - national number 9 Numbering Plan for Fixed Phone Telephone number for fixed services Area code: Local Trunk prefix: 1 to5 digits exchange Subscriber number: [0] number: 4 digits 0 to4 digits Ex. MIC(Tokyo): 03-5253-5111 Total: 5 digits (4 digits in some areas) Trunk prefix Area code Local exchange number Examples of area codes 0 △ ×××× Tokyo-3, Osaka-6 (from January 1,1999) △△ ××× Yokohama-45, Kawasaki-44, Kyoto-75, Kobe-78, etc. △△△ ×× Hachioji-426, Kure-823, Miyazaki-985, etc. △△△△ × Yubari-1235, Ishigaki-9808, etc. △△△△△ Hokkaido-13379, Seiwa-mura, Taki-gun, etc. “0” and “1” cannot be used as the first digit of an area code. 10 Abstract of Nationwide Map of Telephone Numbers Boundaries of the first-digit in the area code Sapporo Boundaries of the second-digit in the area code Ex. MIC(Tokyo): +81-3-5253-5111 Kyoto Kobe 11: Sapporo 3: Tokyo 44: Kawasaki 45: Yokohama 52: Nagoya Tokyo 6: Osaka Nagoya Kawasaki 75: Kyoto 78: Kobe Yokohama Osaka We have about 600 area codes. 11 Transition in designated telecom numbers in Japan Status of service of telecom numbers at the end of Mar. 2007 are as follows. *The total telecom carrier offering to subscribers. ¾ Mobile phone use is increasing. Red indicates in service ratio of designated numbers Blue indicates number of telecom carriers 41 29.5% 42 32.4% Fixed phone 43 32.1% 27 48.8% 28 51.9.% IP phone 29 52.5% Mar. 2007 2 31.9% Mar. 2006 Mar. 2005 12 35.4% PHS 14 31.2% 13 74.1% 13 73.7% mobile 12 73.6% Unit:1000 numbers 12 Source: MIC Japan Example of the Change Numbers Fixed phone Numbers in Tokyo 9 to 10 digits Before After 03 - □□□ - ×××× 01/Jan/1991 03 – △□□□ - ×××× (9digits) (10 digits) Mobile phone Numbers 10 to 11 digits (January 1, 1999) 10 digits 11 digits 0 △ 0 □□ ××××× 0 9 0 △ □□ ××××× 0 1 0 □□ ××××× 0 9 0 1 □□ ××××× 0 2 0 □□ ××××× 01/Jan/1999 0 9 0 2 □□ ××××× 0 3 0 □□ ××××× 0 9 0 3 □□ ××××× 0 4 0 □□ ××××× 0 9 0 4 □□ ××××× 0 8 0 □□ ××××× 0 9 0 8 □□ ××××× △ Ex. 080-12-34567 090-812-34567 13 MNP (Mobile Number Portability) 14 Outline携帯電話の番号ポータビリティの導入 of Mobile Number Portability in Japan Mobile Number Portability 携帯電話事業者のChanging mobile phone変更 carrier The system allows mobile telephone users to change their carriers without changing their telephone numbers. CarrierＡ社 A Carrier BＢ社 090－1234ー5678（(Ex.)例） Improve user benefit Promote competition among The same number 同じ電話番号をcan be used mobile phone carriers 継続して利用可能 ongoingly Background ○Amendment of Rules for Telecommunication Numbers (Feb. 2006) All mobile carriers were required to implement number portability by Nov. 1, 2006. ○All mobile carriers launched the operation of number portability from Oct. 24, 2006. *Feb. 2008 Measures were taken so that MVNO users would also be ensured of number portability (Amendment of Rules for Telecommunication Numbers) Effects of Introduction ○Appox. 8.89 million users have taken advantage of mobile number portability system. ○Introduction of number portability not only increased the benefit of users who use it, but also the benefit of all mobile phone users by promoting the competition among mobile carriers to release new terminals and to renew price plans, etc. 15 Outline of Ministerial Ordinance (Rules for Telecommunications Numbers) Outline of the Rules The Ministerial Ordinance require that all mobile phone carriers ※ using the mobile phone numbers(080 or 090) have to take action as follows in order to implement the number portability certainly . (issued in February 2006) ※ except for ship satellite telephone ,satellite telephone ,and telephone for data communication service ① All mobile telephone carriers have to make it possible that users will change their service providers from one MNO（Mobile Network Mobile Network Mobile Network Operator） to another MNO with the same Operator A ① Operator B telephone number . ② All mobile telephone carriers have to make it ② ② ② possible that user will change their service providers from MNO to MVNO（Mobile Virtual ③ Network Operator ） or from MVNO to MNO with ＭＶＮＯ with ＭＶＮＯ with ＭＶＮＯ with MNO A the same telephone number . MNO A ③ MNO B ③ All mobile telephone carriers have to make it possible that user will change their service providers from one MVNO to another MVNO with the same telephone number . 16 16 The user ‘s willingness to use the mobile number portability ( according to the research before introduction of MNP) Question１：Do you want to use the mobile number Question2：Do you have the willingness to use the portability? number portability if you must pay a usage fee? （Source: The research of mobile telephone carriers in Ans. I want to change Ans. I have no idea Japan） the carrier Ans. I want to that I will change Ans. I want to use use it actively. the carrier 14.6% it as possible 6.1% 20.8% only people to answer “I 3.6% want to change the carrier” or “I think Ans.
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