Ключевые слова: adviser, agent, assistance, business, businessman, call, center, cheerful, client, communication, connection, consultant, contact, conversation, corporate, customer, desk, employee, employment, formal, friendly, happy, headphone, headset, help, helpline, job, listening, male, man, microphone, office, operator, person, phone, portrait, professional, public, receptionist, sale, service, smile, support, talking, technology, telemarketing, telephone, trade, unshaven, worker,