Plantronics Calisto P540-M USB VoIP Desk Phone (Discontinued)
(Model # 82783-01)
Product Brochure (pdf)
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Calisto 540 USB VoIP Desk Phone is ideal for users that are transitioning to PC telephony.
Desk Phone Features:
- Optimized for Microsoft Office Communicator 2007 and Microsoft Lync 2010
- Speakerphone and headset port for hands-free options
- Wideband for superb PC audio telephony
- SoundGuard technology provides protection against audio spikes
- Simple plug-and-play USB connection
- No AC power supply required
- Backlit LCD display
- Dynamic noise reduction
- Acoustic echo cancellation
- Automatic gain control
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