center work overseas The term contracting call center work overseas means transferring the work of a call center, or of one or more facilities or operating units within a call center comprising at least 30 percent of the total volume of the call center or operating unit when measured against the previous 12-month average call volume of operations or substantially similar operations, through a contract or other agreement to another entity who will perform that work outside of the United States. (6) Customer service communication The term customer service communication means any telecommunication or wire communication between a consumer and a business entity in furtherance of commerce. (7) Employer The term employer means any business enterprise that employs in a call center— (A) 50 or more employees, excluding part-time employees