"Plantronics Calisto P540-M Microsoft Optimized Brand New Includes One Year Warranty Product is Discontinued Available Now, Product # 82783-01 The Plantronics Calisto P540 is a PC-powered desk phone which is specially designed or use with Microsoft® Office Communicator 2007 and Microsoft® Lync&trade 2010
Its a great desk phone for industrial use featuring transition to PC telephony . Its wideband audio enhances speech clarity and reduces errors and it provides excellent wideband PC audio quality that meets the highest industry standards. The Calisto P540 features a bright, backlit LCD display shows incoming caller ID, time, and user s online status. Also it features one-touch audio management includes a volume control and mute key that lights up when activated. Inbuild speakerphone delivers clear sound allowing handsfree talks and simple USB plug-and-play design allows to be up and running in minutes to enjoy the ease of calling. Calisto P540 Features: Revolutionary Wideband Voice Quality, Corded Phone, Speakerphone, Backlit LCD Display & Keypad, Make & Receive Calls Through Your PC, Volume Control, Easy Operation (Menu Driven), Mute, PC-powered Desk Phone (Microsoft Optimized), Simple PC Call Management (12-Key Dial Pad), Easy Operation (Menu Driven), Simple USB Plug-and-Play Design, One-Touch Audio Management, Designed For Use w/ Microsoft® Office Communicator 2007 & Microsoft® Lync&trade 2010"