The Cisco IP Phone 8851NR does not support Bluetooth. Otherwise, the Cisco IP Phone 8851 and Cisco
IP Phone 8851NR support the same features.
Note
Phone Connections
Connect your phone to the corporate IP telephony network as shown in the following diagram.
Auxiliary port.6DC adaptor port (DC48V).1
Handset connection.7AC-to-DC power supply (optional).2
Analog headset connection (optional).8AC power wall plug (optional).3
USB port9Network port (10/100/1000 SW) connection.
IEEE 802.3at power enabled.
4
Access port (10/100/1000 PC) connection.5
Cisco IP Phone 8800 Series Administration Guide for Cisco Unified Communications Manager
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Cisco IP Phones 8851 and 8851NR