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Voice over Internet Protocol
Voice over Internet Protocol (VoIP) telephony functions almost like email. It differs from conventional phone calls because sounds are converted into packets of data and sent through the Internet or private networks. The separate packets are then reassembled as sound on the other end of the phone call, while regular phone calls are simply converted into electronic signals and sent over an elaborate network of switches in a dedicated circuit.
VoIP System Spawns Whole New Attitude for Medical Group  by Bernie Monegain, Healthcare IT News, January 2005
The VoIP installation at Queens-Long Island is one of the largest implementations anywhere. Back when every call among the 22 offices of Queens-Long Island Medical Group cost good money, and patients often were asked to hang up and dial another number to reach their doctor, phone bills rang in at about $80,000 a month. Today, with a converged voice and data network, the group’s monthly phone bill is down to $40,000-$45,000.
The Security Risks of VoIP by Jim Rendon, SearchCIO, December 8, 2004
Internet telephony systems are becoming popular as businesses begin to see value in converging voice with other data applications such as presence, conferencing and e-mail. But many companies are unaware of the additional security baggage that voice brings along with it. Once voice is converged with data on the network, a company's voice systems are suddenly vulnerable to many of the same kinds of attacks that occur on the data side.
Enhancing Telecommunications in the World of Healthcare by Pat Traynor, Advance for Health Information Executives, May 2004
Physicians and medical staff are almost never in one place for an extended period of time. But thanks to the rise of Voice over Internet Protocol (VoIP) telephony, they’re never out of reach.
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