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

No. 1160

15.XI.2018

(Information received by 1 November 2018)  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

Telephone Service:

Liberia (Liberia Telecommunications Authority (LTA), Monrovia).. 5

Vanuatu (Telecommunications, Radiocommunication and Broadcasting Regulator, Port-Vila)

Other communication:

Austria

Service Restrictions. . 8

Call – Back and alternative calling procedures (Res. 21 Rev. PP – 2006).. 8

AMENDMENTS  TO  SERVICE  PUBLICATIONS

List of Issuer Identifier Numbers for the International Telecommunication Charge Card.... 9

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

 

List of ITU Carrier Codes

National Numbering Plan.... 13