ITU Operational Bulletin www.itu.int/itu-t/bulletin
No. 1148	15.V.2018	(Information received by 1 May 2018) 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

Approval of ITU-T Recommendations

Telegram Service:

Ukraine (State Service of Special Communications and Information Protection of Ukraine, Kyiv)

Telephone Service:

Luxembourg (Institut Luxembourgeois de Régulation (ILR), Luxembourg)

Kyrgyzstan (State Communications Agency under the State Committee of Information Technologies and Communications of Kyrgyz Republic, Bishkek)

Niue (Telecom Niue, Alofi)

Norway (Norwegian Communications Authority, Lillesand)

Other communication: Austria

Service Restrictions

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

AMENDMENTS TO SERVICE PUBLICATIONS

List of Issuer Identifier Numbers for the International Telecommunication Charge Card

Mobile Network Codes (MNC)

List of Telegram Destination Indicators

List of ITU Carrier Codes

List of International Signalling Point Codes (ISPC)