How do you make calls via 4G?

Thanks to the new VoLTE (Voice over LTE) technology you can make calls via 4G within Belgium. Up to now, you could only make calls over the 2G or 3G network.

When you make calls via 4G, you don't use any data, only call minutes.

To use VoLTE, you need a compatible phone equipped with the latest software:

  • A compatible phone:
    Currently you can only make calls via 4G with the Samsung Galaxy S7 or S7 Edge. Other phones will follow shortly.
    Your phone is only compatible if it's part of the Proximus collection. To check this, key in *#1234# and press the call key. Beside the CSC code, do you see the combination xxxxxxPROxxxxx of xxxxxxVFGxxxxx (where x are other letters and numerals)? If so, your phone is compatible.
  • The latest software version:
    Go to Settings > Device info > Manually download updates to download the latest software version on your phone.

VoLTE is activated by default on your phone. To switch off VoLTE, go to Settings > Mobile networks and switch off the “VoLTE call” button. You can activate VoLTE again later in the same way.

Do you wish to use a VPN application? Then you need to temporarily switch off VoLTE.


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