What is VoLTE?
VoLTE stands for «Voice over Long-Term Evolution» or «Voice over LTE». VoLTE allows you to make calls using the 4G mobile network.
These are the benefits
- Faster connection establishment
- Better voice-transmission quality
- Lower battery consumption
- Make calls and surf at a fast speed at the same time
- Best coverage and capacity
Requirements for VoLTE
- A 4G-/LTE-capable mobile phone; VoLTE roaming works for devices with iOS 15, Android 12 or higher
- Latest version of the operating system installed. > Software update for iPhone and Android
- VoLTE is activated on your mobile (it is usually active automatically; on Android devices, VoLTE can also be switched off if necessary)
- The mobile service provider abroad is a Sunrise VoLTE roaming partner.
List of devices which support Sunrise VoLTE Roaming
List of mobile operators abroad with VoLTE roaming from Sunrise