Unblock phone calls that are restricted on the landline It's good news that making a limit call is as simple as taking it off. Just dial *87 on your line then watch for the confirmation message then disconnect. You are now able to make restricted calls again. On a mobile device, unblock restricted calls. You can request the mobile provider you use to permit your number to call only on a restricted basis. You can remove this number by following the same steps that you took to block it when you blocked it through the settings on your mobile device. Locate the block list for calls under the phone's settings, whether you're using the iPhone or Android phone. There, you will see a list with the numbers that you have blocked. With the menu that is provided it is easy to select the number to remove it from the block. Unblock calls that are restricted using cloud phones and applications that block calls. Reactivating a blocked number within an application for blocking calls or a cloud phone is similar to unlocking it from mobile devices. Find the number you want to block by looking in the list of call blockers within the settings. With the help of the menu it is easy to select the number you want to block and then unblock it.