Pairing Instructions for All Plantronics Bluetooth Models - Lexair
Plantronics CS500 XD Series User Guide | Manualzz
How to eliminate echo from my Plantronics wireless headset when using Toshiba Strata Phones (IP 5000 series - 5131-SDL, 5122-SD, 5132-SD, 5522-SD, 5531-SDL, 5622-SD, 5631-SDL)