Documentation & Software
Documentation
Specifications
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Connects to
- PC via USB
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Ideal for
- Users transitioning to PC telephony
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Audio performance
- Wideband — up to 6,800Hz; automatic gain control; dynamic noise reduction, acoustic echo cancellation
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Hearing protection
- SoundGuard — protects against sound levels above 118dBA
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Headset port
- RJ-22 connector compatible with Plantronics H-top headsets
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Limited warranty
- 1 year
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Microsoft ® Office Communicator
- Optimized for Microsoft ® Office Communicator 2007 Model number: P540-M
Knowledge Base
- Calisto P540-M: Basic Troubleshooting
- Calisto P540-M: Features and Functions
- Calisto P540-M Product Information
- Calisto P540-M: locked computers
- Calisto P540-M: How to Install
- Calisto P540-M: How to make International calls on the desk phone
- Calisto B70 with Bluetooth USB Adapter Product Information
- CS545XD/CS540XD Troubleshooting: Headset is Unstable
- Calisto Pro: Multipoint Technology
- CS540 Troubleshooting: Headset Doesn't Fit
Warranty
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Limited Warranty Terms -
Headset Warranty Service