About us

One4000® is a service offered by Mobile Business Challenger MBC AB.

We are a Swedish company that has developed the next generation platform for mobile internet telephony and easy-to-use calling applications for computers, mobiles and BlackBerry devices.

It is our belief that cost-efficient calling should be mobile, easy to use and flexible enough to fit anyone's needs. That's why we keep developing new products to our platform and continue to keep at the forefront of developments in the telecom industry.

To see some of our Awards, click here.

For more information about new One4000® and Mobile Business Challenger MBC AB developments, please read our News.

Or, please contact questions@one4000.com or sales@one4000.com.

Mobile Business Challenger MBC AB
Solna Torg 19
171 45 Solna (Stockholm)
Sweden