Cisco 8831 Features

Table 7: Sound Base connections and ports
DescriptionItem
Network port (10/100 SW) connection. IEEE 802.3af
power enabled.
Network port1
Local power connection.Wall power2
Connects the base station to the DCU.
When connecting the USB cable, firmly
press down on the ferrite bead to ensure it
is seated correctly between the posts.
Attention
Mini USB port3
Two RJ11 microphone ports. An optional wired
microphone can be connected to each port.
Wired microphone ports4
Cisco Unified IP Conference Phone 8831 User Guide for Cisco Unified Communications Manager 9.3
11
Features of your Cisco Unified IP Phone
Phone connections

Cisco 8831 Specifications

General

Headset Port	No dedicated headset port
Wireless	No
Bluetooth	No
USB Port	No
Video Support	No
Audio	Full-duplex speakerphone
Connectivity	10/100 Ethernet
Power	Power over Ethernet (PoE)
Network Protocols	SIP
Weight	1.1 kg
Audio Codecs	G.711, G.722, G.729, iLBC
Network Ports	2 x Ethernet ports
Security	TLS