PlatinumDialer 3.7.0 is available as a free download on our software library. The actual developer of the free program is CodeKnight Solutions Ltd. PlatinumDialer is categorized as Communication Tools.
From the developer:
Platinum Dialer is an application for VoIP platform that works as a terminal for making VoIP calls. It utilizes SIP protocol and requires data service of GPRS/3G/4G or WiFi network. This application is designed for VoIP service providers and end users. It is available all popular mobile platforms and in desktop. It has capability of bypass firewall and works behind NAT.
You may want to check out more software, such as Miranda IM, Express Talk or VoipBuster, which might be similar to PlatinumDialer.