VOIP H323 DLL Soft Phone SDK brings H.323 protocol support for ActiveX. With this SDK one can create a simple program to connect and start speaking with anyone with a direct IP Address or use the Gateway or the Gatekeeper to connect to /or from PSTN lines. Now VOIP open source projects have made it easier to implement a customized VOIP Solution eliminating costly PSTN lines. Though this implementation might turn out fairly complex our VOIP Implementation Team at Research-Lab will guide you remotely for the same. SDK Features: IP-Address based direct local connectivity within LAN, Microsoft NetMeeting Compatible, Play and Record Wave File, Gateway Specification with/without Login, Gatekeeper Specification with/without Login, Proxy/Firewall support for Version 2.0 [i.e. for Registered Users], Voice/Ring Volume Adjustment [i.e. for Registered Users], Save a conversation to a wave file [i.e. for Registered Users], Easily Create a Answering Machine, Easily Create a Interactive Voice Response, Easily Create a Professional Call Center.