What are some of the most rugged cell phones?

Some of the most rugged cell phones are: Samsung Rugby II SGH-A847, Motorola Tundra VA76r, Motorola I686, Sanyo Taho, Motorola Defy, Casio G'z One Ravine, Motorola Barrage, Sonim XP1300 Core, to name a few. prices start from $99.