Line2 HD may not be the first app to turn your iPad into a phone, but it is an easy-to-use addition that puts phone calls, texts, voicemail and e-mail on a single screen—and offers a stack of other features as well. Like Line2’s iPhone app the HD version lets you make or receive calls over a 3G or Wi-Fi connection. You get a new phone number (like Google Voice), which can also receive texts and has voicemail. A nice feature of the voicemail is that it can send an audio file to your email so you can listen over your computer, in case if you don’t have your iPad with you. You can also forward calls to another phone, such as your land line. Line2’s app also connects to your iPad contact list and features call waiting, caller ID, and conference calling for up to 20 people. Calls can be made Read More