Ключевые слова: answer, blue, business, button, call, calling, cdma, cell, close, closed, communication, communications, cordless, dial, dialing, digital, discussion, display, electrical, equipment, fax, figures, hand, industry, keypad, macro, message, messaging, mobile, next, note, number, office, pad, padding, phone, push, talk, talking, technology, telephone, typescript, using, voice, wired, wireless,