ITU Operational Bulletin |
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No. 1146 |
15.IV.2018 |
(Information received by 30 March 2018) ISSN 1564-5223 (Online) |
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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)
Other communications: Austria, Serbia
Service Restrictions
Call – Back and alternative calling procedures (Res. 21 Rev. PP – 2006)
AMENDMENTS TO SERVICE PUBLICATIONS
Mobile Network Codes (MNC) for the
international identification plan for public networks and
subscriptions
List of Issuer Identifier Numbers for the International Telecommunication Charge Card
List of International Signalling Point Codes (ISPC)
National Numbering Plan