Call Blocker can reject unwanted calls automatically. If you have been annoyed by spam calls from salesman, or if you want to reject calls from anyone, you can just add the number to blacklist and let Call Blocker do the job. This app is light-weighted and stable, cost very little memory and CPU resources. Features： 
1. Blacklist, add numbers to blacklist to block 2. Whitelist, add numbers that don't need to block to whitelist 
3. Record logs of rejected numbers 4. Block modes:
 *Block Blacklist *Allow whitelist(Block calls that is not in whitelist) *Block unknown(Block calls that is not in contacts) *Block all calls