ITU Operational Bulletin 1f8a81b9b0707b63-19211.webchannel-proxy.scarabresearch.com/itu-t/bulletin
No. 1285	1.II.2024	(Information received by 15 January 2024) ��ISSN 1564-5223 (Online)
Place des Nations CH-1211 Gen�ve 20 (Switzerland) Tel: ���������� +41 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