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Video-calling application Tango announced on its blog today that it is now available on desktop PCs. The company originally announced the feature back in July, along with a $42 million second round of funding.

The original Tango mobile app allowed smartphone and tablet users to make free video calls to other Tango users over 3G and 4G networks. The same features will be available on the Windows PC version with the usual tech requirements, such as having a web camera. Tango is currently not available for Mac users.

The company notes that current Tango users can simply download the app to their desktop and sync their account. When a video call comes in, both their mobile and desktop apps will ring.

As a mobile application, Tango competed against a couple well-known video calling applications, including Appleā€™s FaceTime, which only works over Wi-Fi. Now on the desktop, the company can add a few more competitors to that list, including Skype and OoVo. So far, it appears the company is holding its own with more than 18 million members in 190 countries.

The Palo Alto, Calif.-based company, founded in 2009, has raised a total of $47 million in funding from investors, including Draper Fisher, Bill Hambrecht, Michael Birch, Bill Tai, and Daniel Scheinman.

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