ITU Operational Bulletin |
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No. 1237 |
1.II.2022 |
(Information received by 14 January 2022) 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)
Iran (Islamic Republic of) (Communications Regulatory Authority (CRA), Tehran)
Sierra Leone (National Telecommunications Commission (NATCOM), Freetown)
Changes in Administrations/ROAs and other entities or Organizations
Mexico
Service Restrictions
Call-Back and alternative calling procedures (Res. 21 Rev. PP-06)
AMENDMENTS TO SERVICE PUBLICATIONS
List of Ship Stations and Maritime Mobile Service Identity Assignments (List V)
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)
National Numbering Plan