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.

Preconditions:

• VoLTE enabled smartphone (see instruction video below). 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: Settings > 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