found: Work cat.: 2008050996: Friginal, E. The language of outsourced call centers, 2009:CIP galley (call center representatives (or "agents"); call center agents; customer service agents)
found: International encyclopedia of hospitality management, 2008, via Credo reference, Dec. 5, 2008:customer relationship management/marketing article (call center agents)
found: Wikipedia, Dec. 5, 2008:call centre article (a call centre is often operated through an extensive open workspace for call centre agents, with work stations that include a computer for each agent, a telephone set/headset connected to a telecom switch, and one or more supervisor stations)
found: Google, Dec. 5, 2008(call center agents: 530,000 hits; call center operators: 55,300 hits; call center representatives: 116,000 hits; call center employees: 88,300 hits)