VaxTele SIP Server SDK (original) (raw)

VaxTele SIP Server SDK (Software Development Kit) is a complete development toolkit, which allows software vendors and Internet telephony service providers (ITSP) to develop and (SIP) Session Initiation Protocol based VoIP systems for Microsoft Windows to install computer to computer voice chat, chat rooms, IVR systems, , calling card services, dial/receive computer to PSTN (Public Switched Telephone Network) and mobile phone calling services.