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

No. 1285

1.II.2024

(Information received by 15 January 2024)   ISSN 1564-5223 (Online)

Place des Nations CH-1211
Genčve 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. . 3

Approval and deletion of ITU-T Recommendations. . 4

Service Restrictions. . 7

Call-Back and alternative calling procedures (Res. 21 Rev. PP-06) 7

AMENDMENTS  TO  SERVICE  PUBLICATIONS

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

List of Issuer Identifier Numbers. . 9

Network Codes (MNC) for the international identification plan for public networks
and subscriptions
. . 10

List of International Signalling Point Codes (ISPC) 11

National Numbering Plan. . 12