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ITU signs off on new VDSL2 standard

The International Telecommunications Union (ITU) has completed the specifications necessary for telecoms operators ...


May 27, 2005  


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The International Telecommunications Union (ITU) has completed the specifications necessary for telecoms operators around the world to offer a ‘super’ triple play of video, Internet and voice services.

The ITU-T Recommendation for very-high-bit-rate digital subscriber line 2 (VDSL2) will allow operators worldwide to compete with cable and satellite operators by offering services such as high definition TV (HDTV), video-on-demand, videoconferencing, high speed Internet access and advanced voice services including VoIP, over a standard copper telephone cable.

According to a TIU statement, VDSL2 will offer consumers up to 100 Mbps up and downstream, a 10-fold increase over the more common ADSL.

“Essentially it allows so-called ‘fiber-extension’ bringing fiber like bandwidth to premises not directly connected to the fiber-optic segment of a telecoms company’s network,” the organization said.

“As well as addressing increasing consumer demands, VDSL2 offers telecom carriers a solution that promises to be interoperable with the ADSL kit that many operators already have in place.

“This interoperability will make the migration of customers to VDSL2 much simpler. Another important feature of VDSL2 is that it will work in both legacy ATM networks and next generation IP based networks.”

Yoichi Maeda, chairman of the Study Group responsible for the work, said it “looks set to become an extremely important feature of the telecommunications landscape and is a landmark achievement for our members, many of whom were relying on this recommendation in order to take their businesses to the next level.”