Call Blocker is an Android application to Block unwanted calls. By using Call Blocker, you can Block all Calls, Private Calls, Non Contact book calls, Block calls from area codes, Block unknown numbers.
Block All calls
Block Unknown Numbers
Block Address book Contacts
Block Private Numbers
Block Area Code
It also allows you to keep a Backup of your block list.
Tags: call bocker , free call blocker , que tan seguro es el callblocker gratis