Firewall apparatus and method for voice over internet protocol
作者： Kenneth Render
DOI:
关键词:
摘要: The invention relates to an device and method for securing a Voice over Internet Protocol (VoIP) terminal with telephone security (TSD) having I/O component that interfaces VoIP terminal, firewall watches communication session, network network. provides the TSD watch session terminal. determines if has ended or been initiated. enables close plurality of ports when ended. permits communications
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