The concept of modernism is based on the oxymoron of fresh obsolescence, and surrounds the objects of thirty years ago or so with an aura of rarity and nostalgia that give them a value different from the real one. This same concept applied to the popular technologies has shortened its time 'maturation', depositing its patina of ancient objects of common use until a few decades ago. Portable Telephone Tristan Perich is nell'innestare a cell phone to ' inside of a touch-tone telephone, maintaining its basic functionality. By wiring properly numeric keys, microphone, speaker, ringer transformer and the artist got a fully functional device, which rings with a bell inside, and that can be used anywhere there is sufficient field. The increased size and loss of function are largely offset by the time paradox embodied by the object, who, after his nephew a cannibalized evolution, has come to life, that is in full working order. The aesthetics of all, finally, helps to restore visually phones with their specifications, after being rapidly disappeared within a few years by domestic environments.