Presence of SIM slot enables the users to insert 2G or 3G SIM card so that they can make phone calls on the tablet itself. Nowadays more and more number of tablets are being released with provision for making phone calls. Right from the low cost Android tablets section to the high end devices, phone call facility is being provided on the tablets. If you are purchasing a tablet, make sure that the device is having SIM card slot so that it can support phone calls. Choose from the best and top 10 tablets if you want to purchase tablets with phone calls support.