VoLTE
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  • CMHK service plan and Prepaid and MySim customers can enjoy free VoLTE service. To enjoy the service, please follow the above settings instruction with supported handset & software.
  • VoLTE service does not deduct any local data usage, it only charges the local airtime or local video call airtime(video call is not applicable to Prepaid and MySim customers).
  • VoLTE service is only available under 4G LTE network coverage.
  • VoLTE Video call is only available when both users are using VoLTE service(video call is not applicable to Prepaid and MySim customers).
  • VoLTE service now supports IDD service, but only for the existing IDD 001 and Hong Kong IDD 001 customers to use IDD service in Hong Kong. The charge of using IDD 001 or Hong Kong IDD 001 via VoLTE and current mobile network is the same. VoLTE service now support international roaming service(not applicable to Prepaid and MySim customers). For details, please click here.
  • Video Call Quality 12X better
  • To enquire of the supporting of VoLTE, please check with handset manufacturer

*VoLTE service will be provided to Prepaid and MySim customers by batches staring from 4 July 2019.

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