Ключевые слова: agent, angry, annoyed, background, business, button, call, canvassers, casual, center, cold call, cold callers, communication, concept, consultant, control, conversation, customer, decline, defense, hawkers, ignore, keyboard, office, phone, protection, pushing, refuse, security, serious, service, stop, stress, support, telemarketer, telemarketing, telephone, text, trapping, unsolicited, unwanted, word, work,