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Security considerations for Voice over IP systems

A comprehensive guide to the business continuity and security issues raised by VoIP has been published by the US National Institute of Standards and Technology (NIST).

Get free weekly news by e-mailWritten by D. Richard Kuhn, Thomas J. Walsh, Steffen Fries, the report recognises that whilst Voice over IP – the transmission of voice over packet-switched IP networks – is one of the most important emerging trends in telecommunications, as with many new technologies, it introduces risks as well as opportunities.

VoIP has a very different architecture than traditional circuit-based telephony, and these differences result in significant security issues. Lower cost and greater flexibility are among the promises of VoIP for the enterprise, but VoIP should not be installed without careful consideration of the security problems introduced. Administrators may mistakenly assume that since digitised voice travels in packets, they can simply plug VOIP components into their already-secured networks and remain secure. However, the process is not that simple.

The report explains the challenges of VoIP security for commercial users of VoIP, and outlines steps needed to help secure an organisation’s VoIP network.

Amongst other recommendations the report advises companies to conduct a comprehensive risk assessment before deployment and to continue to assess, manage and mitigate the business continuity risks it contributes to.

Read the report (99 page PDF)

Date: 7th January 2005 • Region: US/World Type: Article •Topic: Telecoms continuity
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