CMHK VoLTE Roaming Service
VoLTE Roaming Service supported handset & software allow you to enjoy better call quality through 4G LTE network when roaming. VoLTE Roaming Service.
VoLTE Roaming Service dedicates you
- Faster call connection and better call quality
- Simultaneous voice and data usage when roaming
（）（Country/ Destination code）+（Area Code – if applicable）+（Recipient's no.）
* VoLTE Roaming Service does not support local USSD service at this moment.
|Thailand||Real Future (Truemove)
[Support Apple Watch VoLTE roaming service]
|Sri Lanka||Dialog Axiata PLC|
More destinations that support VoLTE Roaming Service will be available soon, please refer to our website for details.