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Voip

Voice Over Internet Protocol (VoIP)

Abstract
VoIP (voice over internet protocol) is an IP telephony term for a set of facilities used to manage the delivery of voice information over the Internet. VoIP involves sending voice information in digital form in discrete packets rather than by using the traditional circuit-committed protocols of the public switched telephone network. Before audio or video media can flow between two computers, various protocols must be employed to find the remote device and to negotiate the means by which media will flow between the two devices. The protocols that are central to this process are referred to as call-signaling protocols, the most popular of which are H.323 and Session Initiation Protocol (SIP) and they both rely on static provisioning. As VoIP is becoming more and more popular, security concerns have risen. As with any data transmitted over the internet, there is the probability of data interception or hacking. This has caused concerns......


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Approximate Word Count: 3070
Approximate Pages: 13 (250 words per double-spaced page)

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