Originally Posted by SixAlpha
Not sure about GSM (no Cingular GSM in this area), but Cingular digital phones do this as well. When my phone (a Nokia 6030) is anywhere near computer speakers or an FM radio it causes the above descrbed interference.
I assume you have the wrong model number in there, because a Nokia 6030 is a dual-band (900/1800MHz) GSM phone that won't work in the US. Either that, or Nokia marketing is re-using model numbers