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.
Embedded Windows CE VOIP Developers Kit is your embeddedTatelephony solution for developing software/hardware to enable device to device phone calls using SIP/H323 phone right at the electronics level.
Messenger with Video & Voice chat plus VoIP dialer to call any phone. $1 given FREE. Multi- network chat rooms, file sharing, fully encrypted messaging. Oyco can block history of chat. Links with MSN Yahoo AOL/ICQ. Client/Web vs. MAC friendly.