That depends on the make and model of the phone, whether you're talking about internet access via wifi or via the data connection on the phone, whether you have a data account on the phone, if wifi, whether you have a wifi router ...
We need a lot more information to give you any kind of real answer. Create a free account here, so that you can keep posting to this thread, so people won't have to go looking all over the forum to figure out what the conversation is about.