Troubleshoot/Setup Plantronics CS540 When There is No Dial Tone - YouTube
Plantronics CS540A Replacement Wireless Mono Headset c/w Headband for CO54A Base 5033588037330 | eBay
Plantronics CS540 Wireless Headset Setup WITHOUT Headset Port
Adjusting The Wearing Style On Your Plantronics CS540, WH500, W440, C054, and W740 Wireless Headset - YouTube
Plantronics CS540 Wireless Headset Troubleshooting and Setup - HeadsetPlus.com Plantronics, Jabra Headset Blog
Amazon.com: Discover D315 Universal USB Adapter Compatible with Plantronics, Jabra and Sennheiser Wireless DECT Headsets | Allows Your Desk Phone Wireless Headset to Connect to A Computer : Electronics