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 advantages:

  • 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 mobile network and vice versa

Please note:

  • Voice calls will be 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
  • You can find a step by step explanation in Hardware Support
  • On supported Android Smartphones, VoLTE will be activated automatically
  • iPhone 6
    iPhone 6s
    iPhone 6 Plus
    iPhone 6s Plus
    iPhone SE
    iPhone 7
    iPhone 7 Plus
    Apple iPhone X
    Apple iPhone 8
    Apple iPhone 8 Plus
    Samsung S7
    Samsung S7 Edge
    Samsung S8
    Samsung S8+
    Samsung Xcover 4
    Samsung Galaxy J5
    Samsung Galaxy Note 8
    Samsung Galaxy A3 2017 (A320F)
    Samsung Galaxy A5 2017 (A520F)
    Huawei P10
    Huawei Mate 10 Pro
    Huawei Mate 10 Lite
    Huawei P20
    Huawei P20 Lite
    Huawei P20 Pro
    Huawei P Smart
    Huawei nova 2 Plus
    Huawei nova 3 Plus
    Huawei Honor 7X
  • If calls drop frequently or call quality is poor when using VoLTE, try turning off VoLTE. To turn off VoLTE, go to Settings > Cellular > Cellular Data Options > Enable LTE and tap Data Only

Network comparison

More information about the Sunrise network

Network coverage, Sunrise mobile network app, Wi-Fi Calling and HD Voice