The blacklist represents itself a list or register of entities which are denied privileges, service, mobility, access and admission due to these or other reasons. This function blocks all connections from the subscribers who are in the list.
Does Cheap VoIP communication means cheap VoIP phones?
Statistics about VoIP communications: in 2010 are sold 164 million IP-Phones (in according with ‘’In-Stat’’ Inc. findings) in comparison with 10 million sold in 2006. According to “Juniper research’’ market of VoIP PBXs is $ 1.6 billion in2009; average price per VoIP phone dropped twice (50%) sine last five years. However, average life expectancy of an average VoIP phone system is 7 years.