Notice

17/09/2026

 

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

 

 

Date

 

 

Project Title

 

Affected service

 

From 0:00 to 6:00 on 20th September

 

 

Mobile Network System upgrade and maintenance       

 

During the period, some CTM mobile customers may experience intermittent interruption when using VoLTE/VoNR, and mobile data service registration, 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.