This ViDe Cookbook provides an understanding of the theory and use of middleware for videoconferencing and voice over IP (VoIP), focusing on ITU-T recommendation H.350 "Directory Services Architecture for Multimedia Conferencing," and also standardized by the IETF as Informational RFC 3944. A standardized use of LDAP to store users voice, video and collaborative multimedia information in a way that integrates with directory and identity management systems is described. Account configuration, authentication and authorization are linked to the enterprise directory. H.350 improves security by...