cingular is the best phone i ever owned they have great service and are affordable on the bills. they have rollover minutes so you can keep your unused minutes, national calling plans, anytime, night and weekend, and mobile to mobile included. you also never have to pay roaming or long distance charges. you can forward you calls to your local home or office phone and charges you battery. plus, calls are not deducted from your pool of wireless minutes. they are the largest provider of data and larger digital coverage than most competitore.