Where do touch phones end and tablets begin? Well, the 5-inch Dell Streak is certainly bound to push the border further than the HTC HD2 and its 4.3-inch screen. The tablet moniker is actually misleading since the Streak has got full GSM voice and data capabilities along with 3G and HSPA...
Portable phones have caller ID that willl show you the number of your caller and reverse cell phone lookup will identify that caller for you