CS540 support
Convertible wireless headset
Documentation & Software
Documentation
Specifications
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Connects to
- Desk phone
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Ideal for
- Office and desk-centric workers across the enterprise looking for a simple-to-set-up, simple-to-use wireless offering for managing desk phone calls
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Talk time
- Up to 7 hr
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Headset weight
- CS540 Convertible: 21 g
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Security
- 64-bit encryption, DECT Security Certified
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Wireless frequency
- DECT 6.0, range up to 350 ft
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Audio performance
- Narrowband or wideband: up to 6,800 Hz
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Hearing protection
- SoundGuard: protects against sound levels above 118 dBA
Knowledge Base
- CS540 Troubleshooting: Headset Doesn't Fit
- CS540 Battery Information
- CS540: How to Adjust the Fit
- CS540: How to Change the Battery
- CS540 Headset Controls
- APT-3/APT-30/APT-31 (Avaya/GmbH/Tenovis EHS Cable) Product Information
- CS500/CS500XD Series Troubleshooting: Static
- APV-6B/APV-65/APV-66 (Avaya EHS Cable) Product Information
- CS500?CS500XD Series Troubleshooting: Buzzing in Background
- CS500 Series Product Information
Accessories
Warranty
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Limited Warranty Terms -
Headset Warranty Service