BlackLister

Developer : WirelessGenies

Download : http://my-symbian.info/s60/software/applications.php?faq=6&fldAuto=887

Description :
With BlackLister you can accomplish the following tasks:

* Blacklist calls from selected numbers.
* Set the blacklisted number to reject all calls or mute ringer on call receipt.
* View call logs for blacklisted numbers that are set in Silent mode.
* Input numbers for blacklisting either manually or by selecting and adding numbers from the phone book.
* Set the phone ringer to mute for all incoming calls.
* Blacklist calls from a particular area code or country or numbers starting with any particular number or sequence of numbers.