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

No. 1251

1.IX.2022

(Information received by 14 August 2022)   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

The International Identification Plan for Public Networks and Subscriptions (Recommendation ITU-T E.212 (09/2016)): Note from TSB.....................................................................................................................................................................

Telephone Service:

Syrian Arab Republic (Syrian Telecommunications and Post Regulatory Authority, Damascus) 6

United Kingdom (Office of Communications (Ofcom), London)

Service Restrictions. . 121

Call-Back and alternative calling procedures (Res. 21 Rev. PP-06) 121

AMENDMENTS  TO  SERVICE  PUBLICATIONS

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) 125

National Numbering Plan. . 127

 

 

Annex

Status of Radiocommunications between Amateur Stations of Different Countries (In accordance with optional provision No. 25.1 of the Radio Regulations) and Form of Call Signs assigned by each Administration to its Amateur and Experimental Stations (Position on 1 September 2022)