Ключевые слова: answer, assistance, assistant, business, call, communication, complaints, concept, conceptual, connection, consultant, consulting, contact, conversation, customer, device, global, handset, help, helpdesk, holding, incoming, information, landline, line, making, marketing, operator, personal, phone, phonecall, pick, problem, professional, question, receiver, reception, receptionist, responding, response, service, solution, support, technical, telecommunication, telemarketing, telephone, traditional, up,