VoLTE - What is it and how does it work?

Modified on Mon, 20 Feb, 2023 at 11:54 AM


VoLTE (Voice over LTE, also called “HD Voice”) is a service available to certain smartphones & devices that allows for traditional voice calls to be terminated over the 4G/LTE network as opposed to the traditional older 2G and 3G networks. It still uses normal airtime/minutes.

More information on VoLTE here.


As networks plan to retire their 2G and 3G CDMA networks in favour 4G and 5G, customers with CDMA-only devices will be required to upgrade their voice devices to VoLTE by the shutoff date.

This service needs to be provisioned/activated on individual SIMs. This service can only be provisioned on specific SIM tariffs for SIMs being managed on SIMcontrol (such as the Business Flexi SIM type).

Please contact the support team for more information on SIM provisioning.


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