There's been a lot of concern both here and abroad about ISPs blocking or degrading the quality of VoIP services like Skype and Vonage. The ISPs hate VoIP because it sucks up bandwidth, telcos hate it because it's a mortal threat to their business model, and companies that sell network hardware and traffic analysis/shaping technology are out to make a buck by throttling it for The Powers That Be. But opponents of network neutrality aren't the only threat to VoIP.

At Ars Technica.

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