eWEEK Labs Walk-through: Cisco Smart Business Communications System (
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The Cisco Smart Business Communications System is designed to be easy for VARs to sell, deploy and manage, while providing customers with a rock-solid communications system from one of the most widely known and reputable sources of networking technology.

The 48-extension SBCS (Cisco Smart Business Communications System) I tested consisted of a voice controller (the UC520, shown) along with a 24-port Catalyst Express 520 switch uplinked via an expansion port.