iSoftSwitch is a call control software package that enables service providers to build scalable, reliable VoIP networks.In addition to conventional IP telephony services, iSoftSwitch provides a solution to the NAT traversal problem, and also enhances ITSP network management capabilities.These provide a platform for delivering innovative, high-margin services that may be deployed over IP, as well as cable, Broadband, and ISDN networks.
TalkTT.com provides cheap web calls directly from Flash-enabled browser (IE, FireFox, Chrome, Safari ) on computer or SIP calls from any SIP compatible adapter like Linksys PAP2/SPA-3102 or PC phone X-Lite/Zoiper or Mobile Phone iPhone/Andriod/Symbian/WM.
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