> Some North American GSM phones can do 800 or 1800, but most can't.
> North American GSM phones cannot do GSM 1800 only GSM "850" or GSM > 1900.
Some North American GSM phones also do 900 or 1800 for people who travel to Europe. My wife's Moto V220 does 1800. My old Moto Timeport did 1900/900/1800 until I ran it through the washing machine.