Cell Phones Wont Ring While Putting Near Moniters?

if any one else was having this problem, when i put my cell phone near the moniter it wont ring, ill hear a click on the puter, and if it does ring , the screen will get all screwy. have missed calls due to this, have learned to keep my phone away from the moniter. does this happen to any one esle out there? oh, yeah, my phone is nokia , not sure of the model number, its a cheapo giveaway, freebie for signing up for cingular. basic phone, no bluetooth or camera