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

Preconditions:

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