What is VoLTE and its benefits?

IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.

VoLTE or Voice over LTE offers the possibility to make voice calls through an LTE/4G mobile network. However, you can perform this with the following conditions. First, you may contact your service provider to verify appropriate options for your Xperia® device.

• Make sure your specific Xperia device model and network subscription support VoLTE.

• Make sure your SIM card service provider and subscription also supports VoLTE and should be compatible with your mobile device.

• In some cases, your mobile device may need to be operator-branded and use operator-customized system software.

• The mobile device must be within range of an LTE/4G network.

Benefits

• Provides faster call setup and better voice quality.

• The phone remains in the LTE/4G network during voice calls.

• You can use LTE/4G data services, such as web surfing and tethering, and simultaneously make and receive calls.