ITU Operational Bulletin www.itu.int/itu-t/bulletin
No. 1179	1.IX.2019	(Information received by 19 August 2019)  ISSN 1564-5223 (Online)
Place des Nations CH-1211 Genève 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. 4

Data Transmission Service (Recommendation ITU-T X.121 (10/2000))

Hungary (National Media and Infocommunications Authority, Budapest) 5

Telephone Service:

Iran (Communications Regulatory Authority (CRA), Tehran) 6

Malta (Malta Communications Authority (MCA), Floriana) 10

Myanmar (Ministry of Transport and Communications, Nay Pyi Taw) 11

Service Restrictions. 14

Call – Back and alternative calling procedures (Res. 21 Rev. PP – 2006) 14

AMENDMENTS  TO  SERVICE  PUBLICATIONS

Mobile Network Codes (MNC) for the international identification plan  for public networks
and subscriptions. 15

List of ITU Carrier Codes  16

List of Data Network Identification Codes (DNIC) 17