Cisco

Digital Video Enterprises

Halo - HP - Panopoly

LifeSize Communications Inc.

Polycom

TANDBERG

Telanetix Inc.

Telepresence Tech

Teliris

ZDNet 22/02/08: Concerns have been growing over the low volume of sales of TelePresence equipment. It is a fledgling technology, having only been launched in 2006. It is currently aimed at the large corporate market, because it costs typically £150,000 per site plus installation. It also requires 15Mbps of bandwidth per call.