Ключевые слова: answer, appliance, business, button, call, call center, caller, close up, communicate, communication, concept, connect, connection, contact, conversation, device, dialing, electronics, fax machine, finger, fingers, hand, helpdesk, hold, hotline, keypad, listening, message, modern men, network, networking, number, object, office, phone, receiver, ringing, service, speak, talk, telecommunication, telephone, touching, typing, white wackground,