Advanced knowledge in Cisco Unified Communications Systems, Cisco Unified Communication Manager, Cisco Call Manager, Cisco Voice DR, VoIP, Voice Engineering, Video Conferencing and Collaborative Tools, integrating video into Cisco Call Manager, Cisco Prime Collaboration Cisco Voice and Video Collaboration Systems, Cisco Voice Cluster, Cisco Voice DR. Provide expert level analysis of voice, video, and integration with data communications networks, including planning, designing, evaluating, selecting, and upgrading operating systems and protocol suites.