Backup/Restore to/from SD card or Dropbox cloud service, won’t lose your numbers and messages when you uninstall and reinstall , or switch phones.
Option to automatically erase all blocked calls from your phone’s call log, all blocking events are saved in the app’s blocking history log, and can be emailed out from the phone.
Support five ways to block a call:
Send to voice mail: no screen flash if number is also in your contact
Answer-and-hang up: prevent the caller from leaving you any voice mail, no voice mail and no miss call notification.
Mute the ring only: caller will hear the normal ring and then voice mail, you hear nothing.
Six ways to block SMS (Text only message):
Blocked and erased
Blocked and saved in the blocking history log, can be viewed, edited and replied from the blocking history log.
Blocked and hide in the private sms box, can be viewed, edited and replied only by you, from the private sms box.
Required Android:Varies with device
Play Store Link:Extreme Call Blocker