The program protects against unwanted calls. You can block unwanted calls and unknown numbers. Adding telephone contacts in the "black list" to dismiss receiving unwanted calls.
(right click >> 'save target as')
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A free mobile software download for Nokia 3250, 5500, 5700, 6110, 6120, 6121, 6290, E50, E51, E60, E61, E62, E61i, E65, E70, E90, N71, N73, N75, N76, N77, N80, N81, N82, N91, N92, N93, N95