Gigaset C610 IP Quick Start Manual page 8

Teliophone is a smart phone app that allows you to use
voice over IP technology to make calls on your mobile
phone. No matter where in the world you are, when you
make a call using Teliophone with your Telio subscription
and phone number, the cost of your call will be as if you had
made it from home.
Read more on telio.no, or download the app from
the Apple App Store or Google Play.