https://newsroom.cisco.com/c/r/newsroom/en/us/a/y2007/m06/cisco-unveils-universal-edge-qam-solution.html
Cisco Unveils Universal Edge QAM Solution
Enables Maximum Spectrum Efficiency and Rapid Expansion of Video On-Demand, Switched Digital Video and High-Speed Data Services
edge qamciscounveilsuniversalsolution