primarily on security issues that may affect those who are new to VoIP. What is VoIP? Voice over Internet Protocol (VoIP) is a form of communication that

Unde
tanding Voice over Internet Protocol (VoIP) M ATTHEW D E S ANTIS , US-CERT This paper discusses the advantages and disadvantages of using VoIP services, focusing primarily on security issues that may affect those who are new to VoIP. What is VoIP? Voice over Internet Protocol (VoIP) is a form of communication that allows you to make phone calls over a broadband internet connection i
tead of typical analog telephone lines. Basic VoIP access usually allows you to call othe
who are also receiving calls over the internet. Interconnected VoIP services also allow you to make and receive calls to and from traditional landline numbe
, usually for a service fee. Some VoIP services require a computer or a dedicated VoIP phone, while othe
allow you to use your landline phone to place VoIP calls through a special adapter. VoIP is becoming an attractive communicatio
option for co
ume
. Given the trend towards lower fees for basic broadband

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