SIPPHONE is a free Android app developed by siphonelabo. It falls under the category of Utilities & Tools. This app is designed to provide free and easy-to-use communication services to its users.

The app is simple to use. All you have to do is enter the SIPID of the person you want to call and press the call button. You can find the SIPID by clicking on the gear button. This app can be used for free calls with friends and family.

SIPPHONE is a useful app for anyone looking for a free communication service. The app is easy to navigate and provides a simple interface for making calls. It is a great tool for anyone who wants to stay in touch with their loved ones without having to pay for expensive phone bills.