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Groundwire, the Business Caliber SIP mobile client

Groundwire, the most feature rich mobile SIP client available, is the first mobile SIP client capable of replacing your desktop phone. Jam packed with all the features you've come to expect from SIP devices and  desktop softphones, you may find yourself using it more often than your office and mobile phone lines combined. Supporting both multitasking and Push Notifications, you'll be able to customize Groundwire to fit  your precise             needs.

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