5 inch color touchscreen display (1280 x 720 pixels)

Fixed feature keys include home, page toggle, action, favorite, hold/resume, transfer, conference, application, calendar, directory, speakerphone, headset, mute, volume control

4 way navigation cluster with select key

Top 360 LED and front arc LED indicates states of call, message, and the phone

One USB-A port for connecting USB headsets or Bluetooth headset dongle

One USB-C port for connecting USB headsets or Bluetooth headset dongle

USB port can also be used to charge a mobile device when the 9851 is powered via AC outlet

2-port 10/100/1000BASE-T Gigabit Ethernet switch

Built-in Bluetooth 5.2

Built-in dual band 2.4GHz/5GHz Wi-Fi (802.11a/b/g/n/ac)

Supports up to three Cisco 9800 KEMs to add additional programmable buttons

One platform with PhoneOS provides support for all platforms - Cisco Unified Communications Manager (CUCM), Webex Calling, Broadworks, or 3rd Party Cloud Calling (3PCC/OpenSIP)

Built-in Action button can be configured for any use case (e.g. emergency alerts, security, IT, front desk, broadcast/paging, and more)

One Button to Push (OBTP) allows you to quickly join any meeting from the device's screen when registered to WebEx calling

Equipped with government grade security so communications are encypted end-to-end

Powered via Power over Ethernet (802.3af), optional PoE injector, or optional AC adapter (sold separately; see drop down option above)

Wall mountable with optional wall mount kit