Stopping unwanted calls

[deemaa]

I am sure i have seen somewhere a program to bar unwanted calls, but cannot remember the name. Is there such a program and where can i find it? Many thanks in advance
btw i have Nokia N70

[visitjunu]

call filter or blackballer softwares will help u. but not sure bcoz while i tried its working fine and now a days it won't. sorry i lost the file and i attach the file sooon

[alamgir80]

i'm try with many call block software, but don't find any perfect call block software