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21 Aug 2020  |  North America

Enterprise Communications Security Trends and Considerations

New Technologies Mean New Threats to Mission-Critical Business Communications

The business telephone system, commonly referred to as a private branch exchange (PBX), predates the invention of the Internet, Ethernet and the personal computer. As such, legacy PBXs were always deployed on dedicated infrastructure. The call-control manager was a standalone hardware server or appliance serving as the bridge between the PSTN and h...

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