Implement & follow high level designs for implementation/integration of Voice Product Standards Core Telephony, Voice, and Contact Center. This includes Site Configurations & understanding of Contact Center and Call Flow designs. Adhere to defined implementation and testing procedures. Administration and support on all Voice software and hardware. Advanced trouble-shooting and issue resolution skills on endpoints, gateways, site configurations, circuits, IPC, VPN endpoints, call routing- internal, WAN, and cross-nodes Hardware and software installations, upgrades, capacity-adds.