Supported Softphones
PhonerLite Softphone
OS: Windows
PhonerLite is a clearly arranged application for Windows. PhonerLite enables your PC to use it for internet telephony (VoIP, Voice over IP). Pre-conditions are a full-duplex sound card, a microphone and speakers (alternatively a headset), an internet connection and a registration at a provider supporting the protocol SIP. PhonerLite supports several SIP profiles, each configurable independently. In thesame way the integrated phone book and call log are easy to use.
PortGo Softphone
OS: Windows (desktop and mobile)
PortGo is the newest SIP softphone from PortSIP, it's built base on PortSIP VoIP SDK, allowing users to enjoy multimedia communications in a dynamic way. Featuring an intuitive interface, PortGo is expanding the softphone experience by making it even easier to make VoIP and Video over IP calls, see when your contacts are available and send Instant Messages. PortGo features an IM interface which focuses on your contacts and friends.
QuteCom Softphone
OS: Windows,MacOS,Linux
QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP. The flagship product of the QuteCom project is a softphone which allows you to make free PC to PC video and voice calls, and to integrate all your IM contacts in one place.
SIPDroid Softphone
OS: Android
SIPDroid is a java based, open source SIP client that has recently been developed for use with mobile devices based on Google's Android platform.
SJPhone Softphone
OS: Windows,Windows Mobile
SJPhone is a VOIP softphone that allows you to speak with any other softphone, any stand-alone IP-phone, or using ITSP with any traditional wired or mobile phone. It supports both SIP and H.323 standards and is fully inter-operable with most major VOIP vendors and ITSP.