Challenger Mobile proposes a service called "Call Home" that allows mobile operators' subscribers to make calls using the operator's WiFi app at domestic rates regardless of location. The service routes calls over the internet instead of cellular networks. Statistics show Swedish operators lost €75 million in 2010 from roaming calls outside the EU. The "Call Home" service would market through existing operator channels and provide a mobile portal for subscribers to purchase call minutes bundles to use from any location like making a regular call.