ITU Operational Bulletin
www.itu.int/itu-t/bulletin

No. 1129

1.VIII.2017

(Information received by 17 July 2017)  ISSN 1564-5223 (Online)

Place des Nations CH-1211
Genčve 20 (Switzerland)
Tel:             +41 22 730 5111

E-mail:       itumail@itu.int

Standardization Bureau (TSB)
Tel:            +41 22 730 5211
Fax:            +41 22 730 5853
E-mail:       tsbmail@itu.int / tsbtson@itu.int

Radiocommunication Bureau (BR)
Tel:            +41 22 730 5560
Fax:            +41 22 730 5785
E-mail:       brmail@itu.int

 

Table of Contents

GENERAL  INFORMATION

Lists annexed to the ITU Operational Bulletin: Note from TSB

Approval of ITU-T Recommendations

Data Transmission Service (Recommendation ITU-T X.121 (10/2000)): Japan (Telecommunications Bureau, Ministry of Internal Affairs and Communications, Tokyo)

Telephone Service

Denmark (Danish Energy Agency, Copenhagen)

Gibraltar (Gibraltar Regulatory Authority)

Greenland (Tele-Post, Nuuk)

Other communication: Austria

Service Restrictions

Call – Back and alternative calling procedures (Res. 21 Rev. PP – 2006)

AMENDMENTS  TO  SERVICE  PUBLICATIONS

List of Coast Stations and Special Service Stations (List IV)

List of Ship Stations and Maritime Mobile  Service Identity Assignments (List V)

List of Issuer Identifier Numbers for the International Telecommunication Charge Card

Mobile Network Codes (MNC) for the international identification plan  for public networks and subscriptions

List of ITU Carrier Codes

List of International Signalling Point Codes (ISPC)

List of Data Network Identification Codes (DNIC)

National Numbering Plan