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Plantronics Bluetooth Conference Wireless Speakerphone Calisto 7200 with USB-C | Compatible with MAC/PC, USB, Polycom VVX USB Deskphones | Rechargeable - Global Teck
Matt Landis Windows PBX & UC Report: Tip: Use the Polycom CX300/ Plantronics P540 USB Handset With Your Favorite IP PBX
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