MKJ Telephone Headset for Cisco Phones Corded Call Center Office Headset with Microphone Noise Cancelling for Cisco CP-7821 7942G 7931G 7940 7941G 7945G 7961G 7962G 7965G 7971G 7975G 8841 8945 9971: Amazon.co.uk:
Cisco Headset 700 Series - Cisco
MAIRDI Office Headset with RJ9 Jack for Cisco Phone, Binaural Telephone Headset with Mic Noise Cancelling for Call Center Landline Deskphone, Including 3.5mm Connector for Cell Phone PC Laptop : Amazon.co.uk: Electronics