openh323: OpenH323 openh323: openh323: OpenH323 is an implementation of the H.323 protocol used by Internet voice openh323: communication programs such as NetMeeting. It runs on Linux, Windows, FreeBSD openh323: and Solaris, and includes a client program that can be used to make voice openh323: calls to other H.323-compatible clients. openh323: openh323: openh323: openh323: openh323: