Mizu Softphone (MizuPhone) is a professional VoIP softphone based on the open standard SIP protocol with an easy to use interface. With MizuPhone you can connect to any SIP (proxy and/or registrar) server on the public internet or on your local area network. For novices: MizuPhone is an internet phone software to make real calls using your PC.
MizuPhone tries to combine the SIP compatibility with P2P inteligence and an intuitive GUI. It is a perfect choice for everybody who wants to keep its telephone bills to minimum while using the greatest features from the VoIP industry.
The good news to VoIP service providers is, that MizuPhone was designed to seamleasly work with any SIP server and IP Phone. Its modular architecture allows you to costumize, add or disable any functionality.
MizuPhone is a free softphone for non professional usage.
Download and try it.