Connecting the Plantronics CS510/CS520 Headset to a Desk Phone | Nextiva Support
Plantronics Savi W720 double ear wireless headset. Connects to desk phone, PC and Bluetooth. (certified refurbished) - Walmart.com
Amazon.com: Leitner LH370 | Wireless DECT Office Headset with Bluetooth for Desk Phone, Computer and Bluetooth Device | Works with 99% of Landline Phones, PCs, and Cell Phones (USB, Phone Jack, and