Ключевые слова: answer, blue, business, button, cable, call, caller, close up, communicate, communication, concept, connection, contact, conversation, creative concept, device, dial, dialing, female, finger, hand, handset, headphone, helpdesk, hold, horizontal, hotline, listening, making, message, messaging, network, networking, number, old receiver, phone, press, ringing, service, speak, talk, telecommunication, telephone, typing, zero,