Ключевые слова: adult, assistance, boss, business, businessman, call, call center, career, client, communication, concept, consultant, consulting, customer, distant, education, employee, entrepreneur, headphones, headset, help, horizontal, hotline, indoor, internet, looking at camera, male, man, manager, mature, mature adult, middle aged, occupation, office, one person, online, operator, person, phone, professional, psychologist, service, smiling, success, support, talking, technology, telephone, working,