Firewall apparatus and method for voice over internet protocol
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United States of America Patent
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N/A
Issued Date -
Jul 8, 2004
app pub date -
Jan 7, 2003
filing date -
Jan 7, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention relates to an device and method for securing a Voice over Internet Protocol (VoIP) terminal with a telephone security (TSD) device having a terminal I/O component that interfaces with a VoIP terminal, a firewall component that watches a communication session, and a network I/O component that interfaces with a network. The method provides for the TSD to watch the communication session with the VoIP terminal. The TSD determines if the communication session has ended or has been initiated. The method enables the TSD to close a plurality of ports when the communication session with the VoIP terminal has ended. The TSD permits communications with the VoIP terminal when the communication session has been initiated.
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