Enterprises of all sizes are becoming increasingly conscious of the energy consumption of their business tools, including communications systems. Not only does lower energy consumption decrease the total cost of ownership, it has a net positive impact on CO2 emissions. Buyers are advised to factor in the “green” footprint, as well as the features and functionality of a unified communications system.

ShoreTel, Inc. commissioned The Tolly Group to evaluate its Unified Communications (UC) System for its power consumption when running critical IP Telephony components in campus headquarters, regional office and branch-office locations.

The Tolly Group measured the power consumed (total watts) by a variety of ShoreGear® IP voice switches and ShorePhone® IP phones. Engineers then computed the energy requirements to support three enterprise scenarios — a large-scale network with headquarters (HQ), a medium network with a central HQ and 19 remote offices, and a selfcontained single-site small office. The computations considered all ShoreGear voice switches, phones and associated servers and the power required to support them.

Test Highligts

• Uses 27% less power — 9,235 watts versus 12,594 watts versus a Cisco solution in a large enterprise scenario
• Uses 62% less power — 1,953 watts versus 5,191 watts versus a Cisco solution in a medium-sized multi-site deployment
• Uses 56% less power — 489 watts versus 1,104 watts versus a Cisco solution in a small-office deployment
• ShoreTel’s monochromatic GbE IP phone consumes 37% less power than a Cisco equivalent in idle state

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ShoreTel Power Usage - Tolly Report

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