Openh323: download Openh323 related software
VOIP H323 Phone SDK 1.6
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.
sip, h323, voip, sipphone, asterisk, cisco, openh323, rfc standards voip, sip stack, rtc api