... ItemSpecificationsStandards complianceCommunication framework protocolITU-T H.323/H.320, IETF SIPVideoProtocols: H.264, H.263, H.263+, H.261 Resolutions: 1080p 30 fps ... video terminals, and telephone conference products that support H.323 or Session Initiation Protocol (SIP), protecting ... .Proven Conference SecurityThe RP series products support H.235 signaling and media stream encryption. Working ...