H235

The security functions for H. 323 standardized under H. 235 are entitled "Security and Encryption for H-Series Multimedia Terminals" and form a substandard of H.323. H.235 supports authentication, encryption and integrity control for registration and signaling as well as for media control. Authentication is performed using either pre-shared keys( PSK) or a security infrastructure( PKI).

ITU-T documents and further information on H.235 at: http://www.itu.int/ITU-T/ index.html