Patent ID: 8577003

Claim:
A centralized call processing system, comprising: a networking device connected to a plurality of call processing gateways of a plurality of prison facilities located remotely from the centralized call processing system via a wide area network (WAN), the networking device configured to: receive outgoing Voice over Internet Protocol (VoIP) data packets from prison facilities; and send incoming VoIP data packets to the prison facilities; an unauthorized call activity detection system connected to the networking device for detecting three-way call activity associated with the outgoing VoIP data packets or the incoming VoIP data packets via a local area network (LAN); a call application management system connected via the LAN to the networking device for processing the outgoing VoIP data packets for transmission to a telephone carrier network, the call application management system processing signals from the first telephone carrier network into the incoming VoIP data packets; and a validation system connected via the LAN to the call application management system and configured to allow or disallow completion or continuing of a particular call of the plurality of prison facilities through the telephone carrier network based on the outgoing VoIP data packets or the incoming VoIP data packets.