VoIP H.323 SDK

H.323 is a standard approved by the International Telecommunication Union (ITU) in 1996 to promote compatibility in videoconference transmissions over IP networks. The H.323 standard addresses call signaling and control, multimedia transport and control, and bandwidth control for point-to-point and multi-point conferences. ABTO Software offers VoIP H.323 SDK to build custom softphones.
To try it please contact us.