I recently bought a phone with cingular nationwide plan. I go to college in Worcester and in my dorm i get full service with cingular on my phone. I could walk outside and either get cinguar or see "cingular extended" on my phone. Randomly. Will mobile to mobile minutes work when extended is shown? Why would it be roaming when there is service. If extended is showing how long does it take for the minutes to be shown on your account. Thanks for the help!