VoIP: A New Frontier for Security and Vulnerabilities
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February 27, 2014
No of pages / words:
10 / 2713
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and Canada; the rate is often less than it would cost for a regular phone line without any long distance charges. An entity with an enormous call volume, such as a worldwide retail corporation, could benefit from tremendous cost savings by transitioning all of its telephony networks to VoIP.
Voice over IP uses a server to connect all telephones in a local area network and act as a gateway for VoIP packets traveling to and from the Internet...
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Consumers with broadband internet connections can purchase VoIP handsets or routers with an RJ-11 jack to connect regular telephones. Businesses must implement a VoIP application server to handle corporate telephone use, much like mail servers are used to manage email. The Internet Protocol Private Branch eXchange (IP PBX) is telephone equipment used by private companies, rather than telephone service providers, for the management of VoIP calls placed on the data network...
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