Cisco Telepresence products suites o Cisco Telepresence System o VCS-C, VCS-E, TMS, Conductor, MCUs, CTMS, ISDN gateways o Cisco DX , EX, MX, SX, CTS 500, 1100, 1310, 3010, 3210, IX 5000, 5200
Cisco Unified Communications o Communications Manager o Unity/Unity Connection o Cisco Unified Presence o Cisco Unified Mobility o Cisco Emergency Responder
Microsoft Unified Communications o Microsoft Lync o Lync Integration with Cisco Voice/Video
SIP and SIP Trunks o Session Border Controllers o Session Manager Edition Cisco CUBE
Contact Center o Cisco Unified Contact Center Express o Cisco Unified Contact Center Enterprise
Video Communications o Tandberg o Polycom o H.320 and H.323 (Debug Level) o SIP Troubleshooting (Debug Level) o Understanding CUCM/VCS Traces o Understanding Packet Captures
LAN/WAN o Cisco R&S Technologies including but not limited to (VLAN, STP, PoE, DHCP, BGP, MPLS, QoS, ACLs, DNS, HLB etc