Some telepresence vendors charge $300,000 for their product. But ordinary videoconferencing costs for broadband users are rapidly plummeting towards zero.
As usual, U.S. operators are pioneering this trend. Verizon is letting video conferencing customers upgrade to high-definition video, reports Lightreading.com. As long as the equipment on the customer's end supports HD and the customer has the required bandwidth of about 1 Mbit/s, the only necessary upgrade is an HD video codec. For customers that have all this in place, there's no cost to
upgrade to HD video conferencing.
Compare that to the average telepresence offering, which requires at least several Mbit/s of bandwidth per video screen and a price tag of around $300,000 per room.
Of course, Verizon is only offering HD video, not telepresence. The main difference, according to telepresence vendors like Cisco Systems, Nortel Networks, or Teliris , is whether or not you feel like you're in the same room as the other person. Telepresence uses features like directional audio to achieve this illusion; video conferencing typically doesn't bother.
The seemingly major difference doesn't discourage Verizon. "What we've found is that all the noise surrounding telepresence has actually brought a lot of interest to HD video conferencing," says Roberta Mackintosh, executive director of product marketing for Verizon Business.
Mackintosh acknowledges that telepresence is more immersive, but she notes that HD video conferencing offers the same kinds of benefits: reduced travel, or enhanced collaboration and productivity in the workplace.
One limitation in Verizon's initial release of HD conferencing is that it can only communicate with other end users that also support HD -- meaning it can't talk to standard-definition video conferencing. The service is, however, interoperable with other HD vendors such as Polycom and Tandberg ASA
While Verizon's new video conferencing service might not have all the bells and whistles of telepresence, Verizon feels its lower use of bandwidth and lower cost could help it catch on. Still, the company acknowledges that telepresence has its place. "I think we all will have one or two or three locations in the world where we'll want to take that high-end immersive experience," says Mackintosh. It's just that most companies will want "different ranges" of products overall, she adds.
based on article in lightreading.com
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