Cisco 7931G Administration Guide

7-5
Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 8.0 (SCCP and SIP)
OL-20798-01
Chapter 7 Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone
Status Menu
Trust List update
failed
Updating the CTL and ITL files failed. The CTL and ITL files are installed on the phone,
and it failed to update the new files.
Possible reasons for failure:
• Network failure.
• The TFTP server was down.
• The new security token used to sign CTL file
and the TFTP certificate used to sign ITL file
are introduced, but are not available in the
current CTL and ITL files in the phone.
• Internal phone failure.
Possible solutions:
• Check the network connectivity.
• Check if the TFTP server is active and
functioning normally.
• If the Trust Verification Service (TVS) server
is supported on Cisco Unified
Communications Manager, check if TVS
server is active and functioning normally.
• Verify if the security token and the TFTP
server are valid.
• Manually delete CTL and ITL files if all of the
above solutions fail and reset the phone.
Erasing the CTL and
ITL files
Erasing the CTL or ITL file. None. This message is informational only.
For more information, see the Cisco Unified
Communications Manager Security Guide.
DHCP timeout DHCP server did not respond.
• Network is busy—The errors should resolve
themselves when the network load reduces.
• No network connectivity between the
DHCP server and the phone—Verify the
network connections.
• DHCP server is down—Check configuration
of DHCP server.
• Errors persist—Consider assigning a static
IP address. For details on assigning a static IP
address, see Network Configuration Menu,
page 4-6.
Disabled 802.1X Authentication is disabled on the phone. You can enable 802.1X authentication using the
Settings > Security Configuration > 802.1X
Authentication option on the phone. For more
information, see 802.1X Authentication and Status,
page 4-40.
Table 7-2 Status Messages on the Cisco Unified IP Phone 7931G (continued)
Message Description Possible Explanation and Action

Cisco 7931G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Electromagnetic compatibility	FCC Part 15 (CFR 47) Class B, ICES-003 Class B, EN55022 Class B, CISPR22 Class B, AS/NZS CISPR 22 Class B, CISPR 24, VCCI Class B, EN55024, EN 50082-1, EN 61000-3-2, EN 61000-3-3, EN 61000-6-1
Wi-Fi	No
Networking standards	IEEE 802.1Q, IEEE 802.1af, IEEE 802.1p
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	DHCP, TFTP, CDP
Lines quantity	24 lines
Phonebook capacity	- entries
Number of VoIP accounts	-
Voice codecs	G.711a, G.729A, G.729B, G.729ab
Volume control	Digital
Display resolution	192 x 64 pixels
Display number of lines	3 lines
Display number of colors	Monochrome
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Safety	(UL) 60950, (CSA) C22.2 No. 60950, EN 60950, IEC 60950, AS/NZS60950, TS 001
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	229 mm
Width	203 mm
Height	178 mm
Weight	1360 g