00:00 / 00:00
Play Again

Related Videos

Mobile Encryption

The Mobile Encryption app already available from T-Systems makes it possible to make encrypted calls, even under the most inhospitable conditions. In contrast to other solutions, the app works in every mobile network and even without a SIM card, via Wi-Fi. The solution enables encrypted communication even in countries that block Internet phone calls.

More about this

Special: Mobile World Congress 2015