From International Business Times article about Rebtel: CEO Magnus Larsson and CMO Fredrik Wrahme, former executives at European telecom giant Tele2, want to change the mobile industry for good.

"We´re here because we believe that this market needs a revolution," Wrahme said.

The feature is the next step in the company´s plan to grow its core business. Launching in 2006 in Sweden as a voice-over-IP firm, the company before now offered internet-based international calling through its app for a fee. Investors include Balderton Capital and Index Ventures. The company boasts an annual sales of $80 million, and its app is available for both iOS and Android.

Read the rest of the article at ibtimes.com