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

No. 1131

1.IX.2017

(Information received by 16 August 2017)  ISSN 1564-5223 (Online)

Place des Nations CH-1211
Genève 20 (Switzerland)
Tel:            +4
1 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. . 3

Approval of ITU-T Recommendations.. 4

Telephone Service

Denmark (Danish Energy Agency, Copenhagen) 5

Ukraine (State Service of Special Communications and Information Protection of Ukraine, Kyiv) 6

Service Restrictions. . 7

Call – Back and alternative calling procedures (Res. 21 Rev. PP – 2006) 7

AMENDMENTS  TO  SERVICE  PUBLICATIONS

List of Ship Stations and Maritime Mobile Service Identity Assignments (List V) 8

Mobile Network Codes (MNC) for the international identification plan  for public networks
and subscriptions. . 9

List of International Signalling Point Codes (ISPC).. 10

List of ITU Carrier Codes.. 11

National Numbering Plan