SIPSKY is a free VoIP business communication solution available on the Android platform. Developed by cpp, this app offers a range of features to help users stay connected and enhance their business productivity.

With SIPSKY, users can start or join meetings with high-definition, face-to-face video, high-quality audio, and instant messaging. The app also includes SKYSIP Push Service, which helps to optimize battery life.

This award-winning softphone allows for fluid business communication across mobile devices and teams. Whether you're a small start-up or a global enterprise, SIPSKY ensures that you can stay connected and productive, no matter where you are.

Some of the technical features highlights of SIPSKY include highly secure SIP-based calling with exceptional voice quality, support for various HD audio codecs, multi-tasking support for background operation, and compatibility with a range of accessories.

It's important to note that SIPSKY is a standalone softphone subscription and requires a SIP server or subscription with a SIP-based VoIP provider to make calls. Additionally, users should be aware of any restrictions or additional fees imposed by their mobile network operators for using VoIP functionality over cellular data.

Overall, SIPSKY is a reliable and feature-rich VoIP business communication solution that can help streamline communication and boost productivity for businesses of all sizes.