Act as the ongoing interface between the client and the system or application. Dedicated to quality, using exceptional communication skills to keep world-class systems running. Accurately define a client issue and interpret and design a resolution based on deep product knowledge. Responsibilities include maintenance and administration of Voice PBX systems and services, handling day-to-day Voice operations, requirements, and issues. Requires a basic understanding of voice telephony TDM/IP along with knowledge of voice networking, signaling standards, and telecommunication protocols like H323, SIP, SCCP, MGCP. Experience with enterprise PBXs like Cisco Call Manager, PRI and trunk configuration, ACD call routing, and troubleshooting Cisco VoIP gateways is beneficial.