Radiation Aware @ www.radiationaware.com ©2010 Scot Guariglia

[energyfrom]

The shielding inside a microwave oven would act as a Faraday cage. If you put the phone in the oven it should not ring until you open the door. If the oven has a very leaky seal the phone could be more likely to ring depending on oven orientation to the transmitting signal however I would not count on that.

[borderraven]

Can cellphone calls be received by a cellphone in a microwave oven?

Would the shielding of the microwave oven act as a Faraday cage?