ITU Operational Bulletin 1f8a81b9b0707b63-19211.webchannel-proxy.scarabresearch.com/itu-t/bulletin
No. 1213	1.II.2021	(Information received by 18 January 2021) �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: Note from TSB.... 3

Approval of ITU-T Recommendations

Telephone Service:

Lebanon (Ministry of Telecommunications, Beirut) 5

Togo (Autorit� de R�gulation des Communications �lectroniques et des Postes (ARCEP), Lom�)

Other communications:

Austria

Serbia

Service Restrictions. . 11

Call-Back and alternative calling procedures (Res. 21 Rev. PP-06) 12

AMENDMENTS� TO� SERVICE� PUBLICATIONS

List of Issuer Identifier Numbers for the International Telecommunication Charge Card.... 12

Mobile Network Codes (MNC) for the international identification plan for public networks and subscriptions�� 13

List of ITU Carrier Codes.. 14

National Numbering Plan. . 15