Device for communication terminal of voice communication over communications network for prevention of unwanted language calls, has filter units and memory, where list is provided with subscriber identifications

摘要

The device has filter units (50) and a memory (42), where a list (46) is provided with subscriber identifications or parts of subscriber identifications, by which a call attempt is blocked by the filter units. The device has selection units (48,64) for identifying subscriber identifications or parts of subscriber identifications. An independent claim is also included for a method for prevention of unwanted language calls of a communication terminal in a communications network.