Vonage is being blocked?

If anyone care’s to remember, I wrote about this a little while ago. A new set of tools can block VoIP traffic from coming on to a certain network. You can read more here, in this post entitled, The VoIP End Run. Now there is word that Vonage is being blocked by some of the larger carriers, and has filed a complaint with FCC. The news was made public by Stanford Law Professor Larry Lessing, who was speaking at a Silicon Flatirons conference in Boulder, Colorado.

Advanced IP Pipeline reports Reports of other providers using networking techniques to block competitors’ VoIP services have surfaced before, but none have involved Vonage or major U.S. service providers. Robert Pepper, the FCC’s chief of policy development, was at the Silicon Flatirons conference and confirmed that Vonage had complained to the FCC about blocking issues, but did not comment further.

The company declined comment. The VoIP traffic blocking is happening mostly because of tools that can block or degrade a certain type of VoIP data stream.

Many overlooked the fact that Cisco bought a company called P-Cube recently. One of the things P-Cube can do is prioritize the traffic flows on an IP network. SBC could use it and lower the priority of the traffic coming from say Vonage or AT&T. Nothing illegal here: SBC’s network and it can do pretty much what it wants on its own network. Poor quality, lags, dropped packets and soon Vonage customers could be switching…

The moves were criticized by attendees of the conference including Vint Cerf, one of the fathers of the Internet, and also an MCI executive.

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