COPENHAGEN, Denmark, Dec. 19, 2011 /PRNewswire/ -- Although calling apps for the BlackBerry are widely available, they suffer from limitations and carrier-imposed requirements that undermine the benefits. Vopium, which has established an industry first with its BlackBerry Wi-Fi calling app, eliminates those drawbacks and provides consumers and business users with free international and domestic Wi-Fi calls, as well as international calls over GSM and CDMA for as little as less than 1 cent per minute.

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Vopium is the first VoIP service provider to offer a Wi-Fi calling app through BlackBerry App World. The Vopium app does not require users to connect with a local call – a major limitation of many other Wi-Fi calling apps. Unlike UMA-based Wi-Fi calling services provided by a few mobile operators, the Vopium app offers least-cost routing to both mobile and landline numbers whenever you're connected to Wi-Fi.

This design provides users significant savings with no trade-offs in call quality. For example, U.S. BlackBerry owners can make Wi-Fi calls with Vopium to mobile or landline numbers globally without their carrier's international charges because the calls are routed through Vopium's network. The Vopium users don't consume their cellular voice minutes, aren't limited to only calling other Vopium users and avoid the many hassles of using a calling card.

When connected to Wi-Fi, there are no international-roaming charges, so when traveling internationally, Vopium users can make local and international calls to mobile or landline numbers for as little as less than 1 cent per minute. When the other party also has a Vopium app on their Android, BlackBerry, iPhone, Symbian or Windows Mobile smartphone, Wi-Fi calls and text messages are free.

The Vopium app makes it easy for users to know if they are connected to and placing calls via Wi-Fi. Vopium designed the app to minimize battery consumption, so users can make frequent Wi-Fi calls and still have battery life that lasts at least a full day. This makes Wi-Fi calling a viable replacement for office desk phones and home phones.

"The new Vopium BlackBerry app is the latest example of our commitment to provide consumers and business users with high-quality, low-cost international and domestic calling," said Vopium founder and CEO Tanveer Sharif. "Unlike other Wi-Fi calling apps that rely on bridging and other limited architectures, the Vopium BlackBerry app frees users to make calls in more places and on their terms. No other BlackBerry Wi-Fi calling app can match Vopium's combination of savings, convenience, battery life, wireline interoperability and mobile operator independence. This app democratizes Wi-Fi calling for BlackBerry users, with no caveats and gotchas."

Available now in beta version, the Vopium app supports BlackBerry smartphones running OS 6 or later versions. The app is available directly from Vopium at http://vopium.com/blackberry-beta and from BlackBerry App World at https://appworld.blackberry.com/webstore/content/68003.

About Vopium

Vopium A/S, the award-winning mobile VoIP provider, delivers mobile phone calls without borders. With the Vopium app, customers can make international mobile phone calls that feel, sound and are priced like local calls. Taking advantage of VoIP and GSM technologies, the Vopium app works across all major mobile operating systems and on more than 900 handset models, from smartphones to feature phones.

With more than 1 million users in 52 countries, Vopium powers reliable, cost-effective mobile communications around the world. Vopium is listed on the NYSE Euronext Paris Exchange. For more information, please visit vopium.com.

SOURCE Vopium