When your Tablet PC manufacturer indicates in the specification that the device is not capable of supporting cell phone connectivity, you probably dismissed using it for making phone calls. You can save on your cell phone minutes by using your Tablet PC even if the Tablet does not support cell phone connections. The fact is, it does. The use of the Tablet PC can provide a backup mode of communications when a cell tower isn’t available. In order to use this mode of telecommunications, a WI-FI connection is required, however. Another advantage of having this mode of telephone connectivity is the ability to make international calls far more affordable than using a cell phone. This is true even when you are on the road. Messaging is done by email and provides a voice recording of the message when your phone is not connected to the Internet. You have telephone messaging support right there on the Tablet PC along with your Internet phone.