Cisco 8841 IP Phone Price and Datasheet - CP-8841-K9
Amazon.com: 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 : Electronics
Cisco Headset 561 - Wireless, Single, Standard Base Station (CP-HS-WL-561-S-US=)