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

No. 1145

1.IV.2018

(Information received by 16 March 2018)  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: Note from TSB

Approval of ITU-T Recommendations

Telephone Service

Mali (Autorité Malienne de Régulation des Télécommunications/TIC et des Postes (AMRTP), Bamako)

Sierra Leone (National Telecommunications Commission (NATCOM), Freetown)

Turkey (Information and Communication Technologies Authority (ICTA), Ankara)

Other communications: Austria

Service Restrictions

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

AMENDMENTS  TO  SERVICE  PUBLICATIONS

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

List of Issuer Identifier Numbers for the International Telecommunication Charge Card

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

List of ITU Carrier Codes

List of International Signalling Point Codes (ISPC)

National Numbering Plan