3 ms·You can do that on AT&Tby timf 17y agoYou can do that on AT&Tnuclear_eclipse 17y agoAnd on T-Mobile.swolchok 17y agoWithout paying for minutes? Can I use VoIP?timf 17y ago> Without paying for minutes? Yes, I had just the 3G data only unlimited plan on AT&T with a Blackberry (they don't allow this with an iPhone because of an agreement with Apple). I don't know about their VoIP rules.