Calisto 7200 - Bluetooth speakerphone with four directional microphones | Poly, formerly Plantronics & Polycom
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BT300C Replacement Bluetooth USB Adapter for Calisto P620 – DISCONTINUED | Business Telecom Products
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Amazon.com: Plantronics 86700-01 Calisto 620 Bluetooth Speakerphone - Retail Packaging - Black : Office Products
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