Cisco IP Phone 8800 Series User Guide - Accessories [Cisco IP Phone 8800 Series] - Cisco
Cisco 8845 IP Phone CP-8845-K9=
Office Headset Binaural with Noise Canceling Microphone ONLY for Cisco IP Phones: Such as 6941 7942 7971 8841,8845,8851,8861,etc|call center headset|office headsetphone headset - AliExpress
Cisco 8845 IP Phone in Charcoal CP-8845-K9=
Cisco 531 Wired Single - Headset - Monoaural On-Ear Wired Headset - for Cisco IP Phones 6841, 8845, 8865NR, 7945G, 7965G - Hunt Office UK