CallBlocker allows you to stop unwanted phone calls instantly. Here you can define lists such as black list, white list. Then simply include contacts numbers and next define rules as per what you want. You can assign many reply texts to different numbers inside list and schedule them to work for particular period.
C-Counter By NokiMoki Nokia S60v5/Symbian^3/Anna/Belle
Nokia Symbian^3 (S^3) Nokia N8, C6-01, C7-00, E7-00, E6, X7, 500, 603, 700, 701, 808
Symbian S60v5 (S^1)
Nokia 5228, 5230, 5233, 5235, 5250, 5530 XpressMusic, 5800 XpressMusic, C5-03, C6-00, N97, N97 mini, X6, Samsung i8910 Omnia HD, Sony Ericsson Satio, Sony Ericsson Vivaz