VOIP H323 Phone SDK 1.5 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. See also: SIP, H323, VOIP, sipphone, asterisk, cisco, openh323, RFC standards voip, sip stack, RTC API, web phone, international calls, web voip activex, sipphone, vovida |