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Plantronics Calisto 540 USB Deskphone
No Longer Available
Plantronics 540 Overview
Plantronics 540 Specs
Technical Information
| IP Phone Technology | |
| Connectivity Technology | |
| Total Number of Phone Lines | |
| Caller ID | |
| Speakerphone | |
| Features | |
| Dialer Type |
Display & Graphics
| Screen Type | |
| Display Color | |
| Backlight |
Interfaces/Ports
| USB | |
| Headset Port |
Controls/Indicators
| Buttons & Keys Type |
Physical Characteristics
| Form Factor | |
| Weight |
Plantronics 540 Reviews
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