Cisco 9971 Administration Guide

DescriptionItem
Indicates whether the phone learns MAC addresses from Gratuitous ARP responses.GARP Enabled
Indicates whether the phone can participate in video calls when it connects to an
appropriately equipped camera.
Video Capability
Enabled
Indicates whether the phone allows a device that is attached to the PC port to access
the Voice VLAN.
Voice VLAN
Enabled
DSCP IP classification for call control signaling.DSCP for Call
Control
DSCP IP classification for any phone configuration transfer.DSCP for
Configuration
DSCP IP classification for phone-based services.DSCP for Services
Security mode that is set for the phone.Security Mode
Indicates whether web access is enabled (Yes) or disabled (No) for the phone.Web Access Enabled
Indicates whether the phone forwards packets that are transmitted and received on
the network port to the access port.
Span to PC Port
VLAN that identifies and removes 802.1P/Q tags from packets that are sent to the
PC.
PC VLAN
Indicates whether CDP is supported on the PC port (default is enabled).
When CDP is disabled in Cisco Unified Communications Manager, a warning is
displays to indicate that disabling CDP on the PC port prevents CVTA from working.
The current PC and switch port CDP values are shown in the Settings menu.
CDP on PC Port
Indicates whether CDP support exists on the switch port (default is enabled).
Enable CDP on the switch port for VLAN assignment for the phone, power
negotiation, QoS management, and 802.1x security.
Enable CDP on the switch port when the phone connects to a Cisco switch.
When CDP is disabled in Cisco Unified Communications Manager, a warning is
presented, indicating that CDP should be disabled on the switch port only if the phone
connects to a non-Cisco switch.
The current PC and switch port CDP values are shown on the Settings menu.
CDP on SW Port
Indicates whether Link Layer Discovery Protocol Media Endpoint Discovery
(LLDP-MED) is enabled on the switch port.
LLDP-MED: SW
Port
Indicates whether Link Layer Discovery Protocol (LLDP) is enabled on the PC port.LLDP: PC Port
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager
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Cisco IP Phone Web Page

Cisco 9971 Specifications

General

Resolution	640 x 480 pixels
Programmable Line Keys	5
Protocols	SIP, SCCP
Wi-Fi	802.11a/b/g
Weight	3.5 lbs
Display	5-inch color LCD
Audio	Wideband audio, G.722 codec support
USB Ports	2 x USB 2.0
Ethernet Ports	2
PoE	Yes (802.3af)
Video	H.264
Network Interfaces	10/100/1000 Ethernet
Codecs	G.711, G.722, G.729a, G.729ab, iLBC
Power Options	PoE
Headset Port	Dedicated headset port
Speakerphone	Full-duplex speakerphone