Notice

08/07/2026

In order to further enhance telecommunication services quality, CTM will conduct the following upgrade projects in July 2026:

Date

Project Title

Affected service

 

From 6:30 to 6:33

On 11th and 18th July

 

Fixed Network System maintenance

 

During the period, some customers may experience intermittent interruption when using fixed network service, whereas emergency services including 999 and POT will remain normal.

 

 

From 0:00 to 6:00 on 18th , 19th and 25th July

 

 

Mobile Network System upgrade and maintenance       

 

During the period, some CTM mobile customers may experience intermittent interruption when using VoLTE, SMS and Video call service, whereas other services will remain normal.

 

                                                                                                                                     
For enquiries, please contact CTM No 1 Hotline: 1000.
Thank you for your kind attention. We apologize for any inconvenience this may cause.