Ключевые слова: african, agent, american, business, businessmen, businesswomen, call, callcenter, caucasian, center, centre, colleague, communication, confident, consultant, contact, corporate, customer, employee, female, girl, happy, head, headphone, headset, male, man, men, microphone, multiethnic, occupation, office, operator, people, person, phone, portrait, row, service, set, side, smile, support, team, teamwork, telemarketing, woman, women, worker, young,