ITU Operational
Bulletin |
|||
No. 1149 |
1.VI.2018 |
(Information received by 16 May
2018) ISSN 1564-5223 (Online) |
|
E-mail: itumail@itu.int |
Standardization Bureau (TSB) |
Radiocommunication
Bureau (BR) |
GENERAL INFORMATION
Lists annexed to the ITU Operational Bulletin: Note
from TSB
Approval of ITU-T Recommendations
Telephone Service:
Denmark
(Danish Energy Agency, Copenhagen)
Myanmar
(Ministry of Transport and
Communications, Nay Pyi Taw)
Other communication:
Secretary-General of ITU
Service Restrictions
Call – Back and alternative calling procedures
(Res. 21 Rev. PP – 2006)
AMENDMENTS TO
SERVICE PUBLICATIONS
List of Issuer Identifier Numbers for the International
Telecommunication Charge Card
Mobile Networks Code (MNC)
List of ITU Carrier Codes
List of International Signalling
Point Codes (ISPC)
National Numbering Plan