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OB

ITU Operational Bulletin

ITU Operational Bulletin·Biweekly publication of the ITU

Issue

No. 1304

Published15.XI.2024Cutoff1.XI.2024ISSN1564-5223
←13031305→

Forward schedule

Dates of publication of the next Operational Bulletins

25 upcoming
No.Publication dateIncluding information received by
No. 13051.XII.202415.XI.2024
No. 130615.XII.202429.XI.2024
No. 13071.I.20258.XII.2024
No. 130815.I.202520.XII.2024
No. 13091.II.202515.I.2025
No. 131015.II.202531.I.2025
No. 13111.III.202514.II.2025
No. 131215.III.202528.II.2025
No. 13131.IV.202515.III.2025
No. 131415.IV.202531.III.2025
No. 13151.V.202514.IV.2025
No. 131615.V.20256.V.2025
No. 13171.VI.202515.V.2025
No. 131815.VI.20253.VI.2025
No. 13191.VII.202518.VI.2025
No. 132015.VII.20253.VII.2025
No. 13211.VIII.202522.VII.2025
No. 132215.VIII.20251.VIII.2025
No. 13231.IX.202520.VIII.2025
No. 132415.IX.20255.IX.2025
No. 13251.X.202518.IX.2025
No. 132615.X.20252.X.2025
No. 13271.XI.202523.X.2025
No. 132815.XI.202531.X.2025
No. 13291.XII.202514.XI.2025

General Information

7 sections

General information

01

Lists annexed to the ITU Operational Bulletin

A. The following Lists have been published by TSB or BR as Annexes to the ITU Operational Bulletin:

OB No.List
1117List of mobile country or geographical area codes((according to ITU-T E.212 (2016-09)))(position on 1.II.2017)
1096Legal time 2016
1073Legal time 2015
1049Legal time 2014
1027Legal time 2013
1002List of Country or Geographical Area Codes for non standard facilities in telematic services((according to ITU-T T.35 (2000-02)))(position on 12.IV.2012)
1001List of the national authorities designated to assign ITU-T Recommendation T.35 terminal provider codes((according to ITU-T T.35 (2000-02)))(position on 15.IV.2012)
1000Service Restrictions (Recapitulatory list of service restrictions in force relating to telecommunications operation)(position on 15.III.2012)
999Legal time 2012
994Dialling Procedures (International prefix, national (trunk) prefix and national (significant) number)((according to ITU-T E.164 (2010-11)))(position on 15.XII.2011)
991Call-Back and alternative calling procedures(position on 1.XI.2011)
982List of Recommendation ITU-T E.164 Assigned Country Codes((according to ITU-T E.164 (2010-11)))(position on 15.XII.2016)
981List of ITU Carrier Codes((according to ITU-T M.1400 (2013-03)))(position on 15.IX.2014)
980List of Telegram Destination Indicators((according to ITU-T F.32 (1995-10)))(position on 15.V.2011)
978List of Telex Destination Codes (TDC) and Telex Network Identification Codes (TNIC)(position on 15.IV.2011)
977List of Data Network Identification Codes (DNIC)((according to ITU-T X.121 (2000/10)))(position on 1.I.2011)
976List of Data Country or Geographical Area Codes((according to ITU-T X.121 (2000/10)))(position on 15.III.2011)
974List of Names of Administration Management Domains (ADMD)((according to ITU-T F.400))(position on 15.II.2011)
972List of terrestrial trunk radio mobile country codes((according to ITU-T E.218 (2004-5)))(position on 1.VI.2017)
971List of Issuer Identifier Numbers for the International Telecommunication Charge Card((according to ITU-T E.118 (2006-05)))(position on 31.XII.2023)
968Status of Radiocommunications between Amateur Stations of different Countries (in accordance with optional provision No. 25.1 of the Radio Regulations) and Form of Call Signs assigned by each Administration to its Amateur and Experimental Stations(position on 31.VIII.2022)
967List of Access codes/numbers for mobile networks((according to ITU-T E.164 (2010-11)))(position on 1.XI.2012)
965List of Signalling Area/Network Codes (SANC)((according to ITU-T Q.708 (1999-03)))(position on 31.V.2024)
958Mobile Network Codes (MNC) for the international identification plan for public networks and subscriptions((according to ITU-T E.212 (2016-09)))(position on 14.XI.2023)
956List of International Signalling Point Codes (ISPC)((according to ITU-T Q.708 (1999-03)))(position on 30.VI.2024)
955Various tones used in national networks((according to ITU-T E.180 (1998-3)))(position on 1.V.2010)
669Five-letter Code Groups for the use of the International Public Telegram Service((according to ITU-T F.1 (1998-3)))

B. The following Lists are available online from the ITU-T website:

02

Approval of ITU-T Recommendations

By AAP-01, it was announced that the following ITU-T Recommendations were approved, in accordance with the procedures outlined in Recommendation ITU-T A.8:

03

International Identification Plan for Public Networks and Subscriptions

In accordance with ITU-T Recommendation E.212 (2016-09)

Note from TSB

Identification codes for International Mobile Networks

Associated with shared mobile country code 901 (MCC), the following two-digit mobile network code (MNC) has been assigned.

 

Network

Mobile Country Code (MCC) and
Mobile Network Code (MNC)

Date of assignment

OQ Technology

901 30

18.X.2024

 

Note from TSB

Identification codes for international non-commercial trials

Associated with shared mobile country code 991 (MCC), for trial, the two-digit trial mobile network code (MNC) “04” has been temporarily assigned until 17 October 2025 to E-Space Inc. for its trial of its Semaphore Network. The temporary assignment of the E.212 shared MCC and trial-MNC 991 04 is effective from 18 October 2024.

 

Applicant

Mobile Country Code (MCC) and
trial-Mobile Network Code (MNC)

Effective date of assignment

Reclamation date

E-Space Inc.

991 04

18.X.2024

18.X.2025

04

Service Restrictions

Country / Geographical AreaOB No.PageNote
Seychelles100613
Slovakia100712
Malaysia10135
Thailand10345
São Tomé and Principe103914
Uruguay103914
Hong Kong, China10684
Ukraine11485
Türkiye128617
Bangladesh128716
05

Call-back and alternative calling procedures (Res. 21 Rev. PP-2006)

06

Telephone Service

In accordance with ITU-T Recommendation E.164

Authoritative resource

Congo +242

Agence de Régulation des Postes et des Communications Electroniques (ARPCE) 
Immeuble ARPCE
91 bis, Avenue de l'Amitié
B.P. 2490
BRAZZAVILLE
Congo (Rep. of the)
Tel: 	+242 05 510 7272
E-mail:	contact@arpce.cg
URL:	www.arpce.cg
Communication of 1.XI.2024

The Agence de Régulation des Postes et des Communications Electroniques (ARPCE), Brazzaville, announces the assignment of the following new number series in the national numbering plan of the Republic of the Congo.

 

Operator

Number series
(9 digits)

Types of services

Date of introduction

MTN CONGO S.A.

+242 06 100 00 00 -
+242 06 199 99 99

Voice, SMS and Data

9.X.2024

 

X= 0 to 9

International dialling format:                                                                     +242 XX XXX XX XX

The minimum number length (excluding the country code) is:   Nine (9) digits

The maximum number length (excluding the country code) is:   Nine (9) digits

Denmark +45

Agency for Digital Government
Landgreven 4
1301 Copenhagen K
Denmark
URL:	www.digst.dk
Communication of 1.XI.2024

The Agency for Digital Government, Copenhagen, announces the following updates to the national numbering plan of Denmark:

·       Withdrawals

 

Type

Numbering resource

Provider

Date of withdrawal

Fixed communication

82110fgh, 82168fgh, 82178fgh, 82212fgh, 82214fgh, 82220fgh, 82248fgh

Telia Mobil Danmark A/S

31 March 2024

72199fgh, 72213fgh, 72214fgh, 72248fgh, 72249fgh, 72254fgh, 72256fgh, 72257fgh, 72258fgh, 72272fgh, 72298fgh, 72316fgh, 72426fgh, 72427fgh, 72446fgh, 72477fgh, 72478fgh, 72479fgh, 72677fgh, 72678fgh, 72679fgh, 77360fgh, 77361fgh, 77362fgh, 77363fgh, 77364fgh, 77367fgh, 77368fgh, 77369fgh, 77404fgh, 77408fgh, 77409fgh

Telenor A/S

30 June 2024

44217fgh, 46967fgh, 33388fgh, 47931fgh, 47932fgh, 47933fgh, 47934fgh, 47935fgh, 79247fgh, 54798fgh

TDC Net A/S

30 June 2024

 

Type

Numbering resource

Provider

Date of withdrawal

5 digit short code

16190, 16191, 16192

Telia Mobil Danmark A/S

31 March 2024

 

Type

Numbering resource

Provider

Date of withdrawal

Premium-rate numbers

90240fgh, 90540fgh, 90560fgh, 90140fgh, 90141fgh

Telia Mobil Danmark A/S

29 May 2024

 

Type

Numbering resource

Provider

Date of withdrawal

Mobile communication

91304fgh, 66220fgh, 77110fgh, 66201fgh, 77102fgh, 66332fgh, 66338fgh, 92296fgh, 24729fgh, 29191fgh, 29755fgh, 29971fgh, 29961fgh, 29950fgh, 29952fgh, 51651fgh, 61210fgh, 61520fgh, 61533fgh, 61571fgh, 61581fgh, 66401fgh, 66402fgh, 66403fgh, 66405fgh, 66406fgh, 66407fgh, 66408fgh, 66409fgh

Maxtel.dk ApS

17 June 2024

4740efgh, 4741efgh, 4742efgh, 4743efgh, 4744efgh, 7176efgh

Telenor A/S

30 June 2024


 

·       Assignments

 

Type

Numbering resource

Provider

Date of assignment

Fixed communication

3227efgh, 32231fgh, 32233fgh, 32235fgh, 32237fgh, 32154fgh

Telavox ApS

8 January 2024

32639fgh

IPNORDIC A/S

11 January 2024

45429fgh, 86956fgh, 56394fgh

Viptel A/S

11 January 2024

3939efgh

Firstcom Europe A/S

29 February 2024

70608fgh

Relatel A/S

1 March 2024

39192fgh

IPNORDIC A/S

12 March 2024

8650efgh

Telia Mobil Danmark A/S

1 April 2024

3233efgh

DIDWW Ireland Limited

18 June 2024

3229efgh

Nuuday A/S

19 June 2024

 

Type

Numbering resource

Provider

Date of assignment

Mobile communication

7175efgh, 7194efgh, 7195efgh

CBB Mobil A/S

1 January 2024

3577efgh

Ipvision A/S

1 January 2024

4311efgh, 4312efgh

Mobilevalue ApS

1 January 2024

66221fgh, 77112fgh, 66203fgh, 77103fgh, 66331fgh, 4682efgh, 24136fgh, 24332fgh, 24380fgh, 24576fgh, 24717fgh, 29196fgh, 29756fgh, 51654fgh, 61211fgh, 61521fgh

HBM IT INFRASTRUCTURE

18 January 2024

24334fgh

Cobira ApS

15 February 2024

5431efgh, 5432efgh, 9240efgh, 3574efgh, 93704fgh

Nuuday A/S

1 April 2024

24384fgh, 29757fgh

Telavox ApS

8 April 2024

66226fgh

Telecom X ApS

1 May 2024

 

Type

Numbering ressource

Provider

Date of assignment

NSPC

NSPC1-0-12, NSPC1-0-13,
NSPC1-0-115, NSPC1-0-116,
NSPC1-0-117, NSPC1-0-118,
NSPC1-0-119, NSPC1-0-120,
NSPC1-0-121, NSPC1-0-122

Onomondo ApS

19 January 2024

 

Type

Numbering ressource

Provider

Date of assignment

Freephone numbers

809909gh

Maxtel.dk ApS

16 April 2024

Tanzania +255

Tanzania Communications Regulatory Authority (TCRA)
Dr. Jabiri K. Bakari
20 Sam Nujoma Road
Mawasiliano Towers
P.O. Box 474
14414 DAR-ES-SALAAM
Tanzania
Tel: 	+255 222199760-9
Fax: 	+255 222412009-10
E-mail: dg@tcra.go.tz
URL: 	www.tcra.go.tz
Communication of 1.XI.2024

The Tanzania Communications Regulatory Authority (TCRA), Dar-Es-Salaam, announces the following updates to the National Numbering Plan (NNP) for Tanzania.

Presentation of national ITU-T E.164 numbering plan for country code +255

 

a)          Overview:

              The minimum number length (excluding the country code) is nine (9) digits.

              The maximum number length (excluding the country code) is twelve (12) digits.

 

b)          Link to the national database (or any applicable list) with assigned ITU-T E.164 numbers within the national numbering plan:

              https://www.tcra.go.tz/uploads/documents/sw-1719951564-National%20Numbering%20Plan%20and%20Signaling%20Point%20Code%20June%202024.pdf

 

c)           Link to the real-time database reflecting ported ITU-T E.164 numbers (if any): N/A

 

d)          Detail of the numbering plan:

 

NDC (national destination code) or leading digits of N(S)N (national (significant) number)

N(S)N number length

Usage of
ITU-T E.164 number

Additional information

Maximum length

Minimum length

22 (NDC)

9

9

Geographic number for fixed telephony services (Area code)

Area code for Dar-Es-Salaam Region

23 (NDC)

9

9

Geographic number for fixed telephony services (Area code)

Area code for Coast, Morogoro, Lindi and Mtwara Regions

24 (NDC)

9

9

Geographic number for fixed telephony services (Area code)

Area code for Zanzibar
(Unguja and Pemba)

25 (NDC)

9

9

Geographic number for fixed telephony services (Area code)

Area code for Mbeya, Songwe, Ruvuma, Katavi and Rukwa Regions

26 (NDC)

9

9

Geographic number for fixed telephony services (Area code)

Area code for Dodoma, Iringa, Njombe, Singida and Tabora Regions

27 (NDC)

9

9

Geographic number for fixed telephony services (Area code)

Area code for Arusha, Manyara, Kilimanjaro and Tanga Regions

28 (NDC)

9

9

Geographic number for fixed telephony services (Area code)

Area code for Mwanza, Shinyanga, Mara, Geita, Simiyu, Kagera and Kigoma Regions

300XX (NDC)

12

12

Machine to Machine (M2M) Numbers

Numbers for M2M communication

30000(NDC)

12

12

Machine to Machine (M2M) Numbers

Honora Tanzania Public Limited Company

30001(NDC)

12

12

Machine to Machine (M2M) Numbers

Airtel Tanzania  Public Limited Company

30002(NDC)

12

12

Machine to Machine (M2M) Numbers

Viettel Tanzania Public Limited Company

30003(NDC)

12

12

Machine to Machine (M2M) Numbers

Vodacom Tanzania Public Limited Company

30004(NDC)

12

12

Machine to Machine (M2M) Numbers

Honora Tanzania Public Limited Company

30005(NDC)

12

12

Machine to Machine (M2M) Numbers

Tanzania Telecommunication Corporation

4X (NDC)

9

9

Non-geographic number for corporate services e.g VoIP

VoIP Services

41 (NDC)

9

9

Non-geographic number for corporate services

Tanzania Telecommunication Corporation

5X (NDC)

9

9

Non-geographic number for
Corporate Networks

Corporate Data Networks

5100 (NDC)

9

9

Non-geographic number for
Private
Corporate Networks

Tanzania Railways Corporation

5601 (NDC)

9

9

Non-geographic number for
Public
Corporate Networks

WIA Company Limited

6X (NDC)

9

9

Non-geographic number  for mobile telephony services

Find Me Anywhere

61 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Viettel Tanzania Public Limited Company

62 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Viettel Tanzania Public Limited Company

65 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Honora Tanzania Public Limited Company

66 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Vodacom Tanzania Public Limited Company

67 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Honora Tanzania Public Limited Company

68 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Airtel Tanzania Public Limited Company

69 (NDC)

9

9

Non-geographic number – (Find Me Anywhere)

Airtel Tanzania Public Limited Company

7X (NDC)

9

9

Non-geographic number – (Find Me Anywhere)

Mobile telephony services for Find Me Anywhere services

71 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Honora Tanzania Public Limited Company

73 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Tanzania Telecom­munications Corporation

74 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Vodacom Tanzania Public Limited Company

75 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Vodacom Tanzania Public Limited Company

76 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Vodacom Tanzania Public Limited Company

77 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Honora Tanzania Public Limited Company

78 (NDC)

9

9

Non-geographic number for mobile telephony services – (Find Me Anywhere)

Airtel Tanzania  Public Limited Company

800 (NDC)

9

9

Non-geographic number – (National free phone)

Allocated for national toll‑free services

808 (NDC)

9

9

Non-geographic number – (International Special Rate Services)

Allocated for international services

840 (NDC)

9

9

Non-geographic number – (National special services local rate)

Allocated for national shared cost services on fixed network

860 (NDC)

9

9

Non-geographic number – (National special services toll rate)

Allocated for national toll-rate services on fixed network

861 (NDC)

9

9

Non-geographic number – (National special services fixed rate)

Allocated for national special rates on fixed network

90X (NDC)

9

9

Non-geographic number – (Premium rate services)

Allocated for national premium services

900(NDC)

9

9

Non-geographic number – (Premium rate services)

Information Services

901(NDC)

9

9

Non-geographic number – (Premium rate services)

Entertainments Services

11X(NDC)

3

3

Non-geographic number for emergencies for human life and safety services

Emergency services

19X (NDC)

3

3

Non-geographic number for emergencies for human life and safety services

Emergency services

Uganda +256

Uganda Communications Commission (UCC) 
Plot 42-44 Spring Road, Bugolobi 
P.O. Box 7376, Kampala, Uganda 
Tel:	+256 41 433 9000 
Fax:	+256 41 434 8832 
E-mail: 	ucc@ucc.co.ug 
URL:	www.ucc.co.ug 
Communication of 1.XI.2024

The Uganda Communications Commission (UCC), Kampala, announces the following National Numbering Plan of Uganda.

ITU-T E.164 NATIONAL NUMBERING PLAN FOR COUNTRY CODE 256

a)          Overview

              The minimum number length (excluding the country code) is 9 digits

              The maximum number length (excluding the country code) is 9 digits

b)          Details of numbering scheme

 

NDC (National Destination Code) or leading digits of N(S)N (National (Significant) Number)

N(S)N Number Length

Usage of
ITU-T E.164 Number

Additional information

Maximum
Length

Minimum
Length

200

201

9

9

Fixed telephony services for Airtel Uganda Limited

Network fully operational

20240

9

9

Fixed telephony services for Liquid Intelligent Technologies

Network fully operational

2031

9

9

Fixed telephony services for Talkio Mobile Limited

Network not yet operational

2032

9

9

Fixed telephony services for Echotel Proprietary Uganda Limited

Network fully operational

2050

2051

2052

2053

2054

9

9

Fixed telephony services for Roke Investment International Limited

Network fully operational

20611

9

9

Fixed telephony services for Hamilton Telecom Limited

Network operational

206300

206301

206302

206303

206304

9

9

Fixed telephony services for Simbanet Uganda Limited

Network fully operational

207

9

9

Fixed telephony services for Airtel Uganda Limited

Network fully operational

3

9

9

Fixed telephony services for MTN Uganda Limited

Network is fully operational

4

9

9

Fixed telephony services for Uganda Telecommunication Corporation Limited

Network is fully operational

700

701

702

703

704

705

706

707

708

709

9

9

Mobile telephony services for Airtel Uganda Limited

Network is fully operational

710

711

712

713

714

715

716

717

718

719

9

9

Mobile telephony services for Uganda Telecommunication Corporation Limited

Network is fully operational

7240

9

9

Mobile telephony services for Hamilton Telecom Limited

Network not yet operational

726

9

9

Mobile telephony services for Tangerine Limited

Network is fully operational

727

9

9

Mobile telephony services for Tangerine Limited

Network is fully operational

728000000 -
728099999

9

9

Mobile telephony services for Talkio Mobile Limited

Network not yet operational

740

741

742

743

744

745

746

9

9

Mobile telephony services for Airtel Uganda Limited

Network is fully operational

750

751

752

753

754

755

756

757

758

759

9

9

Mobile telephony services for Airtel Uganda Limited

Network is fully operational

760

761

762

763

764

765

766

767

768

9

9

Mobile telephony services for MTN Uganda Limited

Network is fully operational

770

771

772

773

774

775

776

777

778

779

9

9

Mobile telephony services for MTN Uganda Limited

Network is fully operational

780

781

782

783

784

785

786

787

788

789

9

9

Mobile telephony services for MTN Uganda Limited

Network is fully operational

07

Other communications

Serbia

Communication of 14.X.2024:

On the occasion of the promotion of the "Youngsters on the Air (YOTA) program", the Serbian Administration authorizes radio stations of the Amateur Radio Union of Serbia to use the special call sign YT24YOTA from 1 December 2024 to 31 December 2025.

Amendments

Abbreviations used in this section

ADD
Insert
PAR
Paragraph
COL
Column
REP
Replace
LIR
Read
SUP
Delete
P
Page(s)
3 publications
01

Amd. no. 10 to List of Issuer Identifier Numbers for the International Telecommunication Charge Card

ITU-T E.118 2006-05
Amd 10Position amended originally published as annex to OB No. 1283 · 31.XII.2023
ADD1304-001AdditionEffective1.I.2024
country or areacompany namecompany address 1company address 2company address 3contactcontact address 1contact address 2contact address 3emailissue id numbereffective date
ColombiaPLINTRON COLOMBIA SASCarrera 19 # 100-45Oficina 13-107BOGOTÁ D.C.Legal, PLINTRON COLOMBIA SASCarrera 19 # 100-45Oficina 13-107BOGOTÁ D.C.legal@plintron.com89 57 1111.III.2022
02

Amd. no. 20 to Mobile Network Codes (MNC) for the international identification plan for public networks and subscriptions

ITU-T E.212 2016-09
Amd 20Position amended originally published as annex to OB No. 1280 · 14.XI.2023Authoritative ↗
ADD1304-001AdditionEffective14.XI.2018
mcc mnc codescountry or areanetworks
 Canada    ADD 
302 724Rogers Communications Canada Inc. (Wireless)
 Hungary    ADD 
216 25Yettel Hungary Ltd.
 Japan    ADD 
440 24Japan Communications Inc.
 Japan    LIR 
441 211STARCAT Co., Ltd.
 International Mobile, shared code     ADD* 
901 30OQ Technology
 Trial of a proposed new international telecommunication service, shared code     ADD* 
991 04E-Space Inc. (temporary assignment for trial until 17.X.2025)

MCC: Mobile Country Code / Indicatif de pays du mobile / Indicativo de país para el servicio móvil

MNC: Mobile Network Code / Code de réseau mobile / Indicativo de red para el servicio móvil

03

Amd. no. 179 to List of ITU Carrier Codes

ITU-T M.1400 2013-03
Amd 179Position amended originally published as annex to OB No. 1060 · 15.IX.2014Authoritative ↗
ADDGermany (FederalAdditionEffective15.VIII.2014
country or areacompany nameaddress line 1address line 2carrier codecontacttelfax
GermanyOCT office GmbH & Co. KGLindemannstrasse 47D-40237 DUESSELDORFFONSU1Mr Lubomir Schiller+49 211 9595777 0+49 211 9595777 9
LIRGermany (FederalLapsed / Inactive RecordEffective15.VIII.2014
country or areacompany nameaddress line 1address line 2carrier codecontacttelemail
Germany1N Telecom GmbHFlughafenstrasse 103D-40474 DUESSELDORF1NTEMr Philipp Hoffmann+49 211 73511000phoffmann@1n.de
GermanyNorthern Access GmbHLange Strasse 42 - 44D-31618 LIEBENAUNA000Mr Joscha Voigts+49 151 51042037

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Contacts

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Tel: +41 22 730 5111

Email: itumail@itu.int ★

Standardization Bureau (TSB)

Tel: +41 22 730 5211 ★

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Email: tsbtson@itu.int ★

Radiocommunication Bureau (BR)

Tel: +41 22 730 5560 ★

Fax: +41 22 730 5785 ★

Email: brmail@itu.int ★