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Networking This Week: More Bad News On VoIP Security

Worried about the security of VoIP? You've got good reason to. This week, a whopper of a VoIP security concern surfaced.

Worried about the security of VoIP? You've got good reason to. This week, a whopper of a VoIP security concern surfaced.

It was revealed that serious flaws in Cisco's CallManager VoIP software could be exploited by hackers to launch denial of service attacks, and even redirect calls at will or eavesdrop on conversations. Cisco's issued an advisory that details where to get patched editions of CallManager that are ready to download and install

Despite security concerns, VoIP keeps chugging along and its popularity soars. XO Communications Inc. announced that it had carried 1.6 billion minutes of VoIP traffic across its national IP network in the second quarter of this year, representing 15% growth over the previous quarter.

Also in VoIP news, AT&T announced E-911 functionality for its broadband CallVantage VoIP telephone service. Expected to be complete by midsummer, the E-911 implementation will make the CallVantage service compliant with the recent Federal Communications Commission (FCC) order on E-911 services.

And those who favor VoIP on the go got good news: Wi-Fi aggregator Boingo and VoIP vendor Skype Tuesday announced they were combining their two technologies, enabling Skype's voice callers to use Boingo's hotspots to make calls.

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