/mcp• Roster/Attendee List • Drop Participant • Terminate Conference • Show Conference Chairperson/Controller • Continuous Presence Unified Communications Manager also supports the following video conference capabilities for Skinny Client Control Protocol (SCCP) phones: • Display controls for video conferences. The SCCP phones can choose to use the continuous presence or voice-activated mode to view the video conference. When a mode is chosen, a message gets sent to the bridge to indicate which mode to use on the video channel. Switching between modes does not require renegotiation of media. • Display participant information such as the user name in the video stream. The system can use the participant information for other conferencing features such as roster. For more information, see 'Encrypted iX Channel' chapter in the Security Guide for Cisco Unified Communications Manager. Video Telephony and Cisco Unified Serviceability Cisco Unified Serviceability tracks video calls and conferences by updating performance monitoring counters, video bridge counters, and call detail records (CDRs). Performance Counters Video telephony events cause updates to the following Cisco Unified Serviceability performance monitoring counters: Cisco CallManager • VCBConferenceActive • VCBConferenceCompleted • VCBConferenceTotal • VCBOutOfConferences • VCBOutOfResources • VCBResourceActive • VCBResourceAvailable • VideoCallsActive • VideoCallsCompleted • VideoOutOfResources Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 879 SIP Interoperability Video Telephony and Cisco Unified Serviceability