VoLTE is a high-speed wireless communication standard for voice calls over 4G LTE Network. With crystal-clear voice calls that come with reduced background noise, and faster call ...

We cover the basics of VoLTE in this post. How VoLTE technology improves call quality VoLTE is a technology that lets you make high-quality voice calls using 4G LTE networks on your mobile device.

Sometimes your phone uses 5G for data but 4G for voice; if the handover between 5G and 4G is slow or fails, the call might not ring.