High Definition Voice.

This support article will give you key information about using High Definition Voice on your service. HD Voice technology enhances the audio quality when you call another Vodafone phone. It improves call clarity, reduces background noise and improves voice quality in conference calls.

How to use HD Voice on your service.

You will automatically use HD Voice when you make or receive a call from another Vodafone phone.

To use HD Voice, both phones must support Wideband Adaptive Multi-Rate coding (WB-AMR). Most late model smartphones will support HD Voice. To see if your device supports WB-AMR coding, check your user guide or contact the device manufacturer.