Ключевые слова: answering, blue cast, board room, business, business blue, business meeting, call button, communication, concepts, concepts topics, conference call, conference table, connection, corporate business, dial, discussion, empty, equipment, glass table, global communications, handsfree device, hanging up, meeting, modern, occupation, office, old, on the phone, privacy, push button, reflection, silence, simplicity, single object, speaker, table, technology, telecommunications equipment, telephone, telephone line, telephone receiver, telephone service, using voice,