Audiovisual, Call Routing, Cisco Network Systems, Cisco Routers, Cisco Switches, Cisco Unified Communications Manager (CUCM), Community Support, Diversity, Endpoint Security, Federal Contracts, Government, High Availability, High Tech Industry, IAT - Information Assurance Technical, Information Technology & Information Systems, Legal, Medical Conditions, QoS (Quality of Service), SIP (Session Initiation Protocol), Security Patches, Sensitive Compartmented Information (SCI), Technical Support, Top Secret Clearance, Training/Teaching, United States Department of Defense (DoD), Videoconferencing, VoIP (Voice over IP)