Sunrise VoLTE

4G Network voice calling

According to „connect“ mobile network test 2017, Sunrise has the best mobile network for mobile telephony and mobile surfing. With VoLTE, you profit even more from the “outstanding” network quality: With VoLTE you place voice calls with your LTE enable Smartphone directly over the Sunrise 4G network, a network of the latest generation.

Your Benefits

  • Faster call setup compared to 3G and 2G
  • Excellent voice quality with HD Voice
  • Simultaneous calling and surfing
  • Enables switching from Wi-Fi Calling to the Sunrise mobile network and vice versa

Please note: Calls are charged according to your current subscription


VoLTE enabled smartpone. You can find the up to date list of devices supporting VoLTE below

Up to date operating system – please update your smartphone software if needed (iPhone: Gettings > General > Software update; Android: Settings > Device Info > Software update)

LTE reception – already more than 90% of the population is living in LTE covered areas

On supported Android Smartphones, VoLTE will be activated automatically