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Mobile freedom with voice over LTE

Voice over LTE allows you to call directly over the 4G network. Speech quality is improved, connection time accelerated, and power consumption reduced. Activate LTE now on your smartphone You will need a VoLTE-enabled handset and the right setting in the device menu.

Calling over LTE is possible without extra costs and additional activation. Speech transmission is fully processed digitally on the LTE network. VoLTE offers you improved speech quality in 'HD voice' making it sound even clearer. Your smartphone battery also lasts longer thanks to VoLTE. What will surprise you is how extremely quickly connection is established - you will be connected after one or two seconds. When using a headset, you will even be able to surf online just as quickly. Give it a go - voice over VoLTE is also activated for Ortel Mobile customers.

These smartphones are suitable for VoLTE:

Apple iPhone 7 (Plus), Apple iPhone 6S (Plus), Apple iPhone 6 (Plus), Apple iPhone SE, LG G4, Sony Xperia X (Compact), Samsung Galaxy A3 (2016, 2017), Samsung Galaxy A5 (2016, 2017), Samsung Galaxy S7 (Edge) , Samsung Galaxy S6 (Edge, Edge Plus), Samsung Galaxy Note 4, Samsung Galaxy S5 (Neo), Sony Xperia XZ, Sony Xperia Z5 (Compact), Sony Xperia Z3 (Compact), HTC 10, HTC One A9, Microsoft Lumia 950, Microsoft Lumia 650 and Microsoft Lumia 550.

How to activate VoLTE (Apple):

Step 1: Go to Settings

Step 2: Select mobile network

Step 3: Click on Data Options

Step 4: Activate LTE (the 'Speech and Data' option activates VoLTE)

How to activate VoLTE (Android):

Step 1: Go to Settings

Step 2: Select connection

Step 3: Click on Mobile Networks and then activate VoLTE

Step 4: Set the slide control to 'On'