Cisco 7941G Troubleshooting And Maintenance

SeeIf all the following conditions apply,
802.1X Enabled on Phone but Phone Does Not
Authenticate
• Phone cannot obtain a DHCP-assigned IP address
• Phone does not register with Cisco Unified
Communications Manager
• Phone status display as Configuring IP or
Registering
• 802.1X Authentication Status displays as Held
(see 802.1X Authentication and Status).
• Status menu displays 802.1x status as Failed (see
Call Statistics Screen).
802.1X Not Enabled• Phone cannot obtain a DHCP-assigned IP address
• Phone does not register with Cisco Unified
Communications Manager
• Phone status display as Configuring IP or
Registering
• 802.1X Authentication Status displays as
Disabled (see 802.1X Authentication and Status).
• Status menu displays DHCP status as timing out
(see Call Statistics Screen).
Factory Reset of Phone has Deleted 802.1X Shared
Secret
• Phone cannot obtain a DHCP-assigned IP address
• Phone does not register with Cisco Unified
Communications Manager
• Phone status display as Configuring IP or
Registering
• Cannot access phone menus to verify 802.1X
status
802.1X Enabled on Phone but Phone Does Not Authenticate
Problem
The phone cannot authenticate.
Cause
These errors typically indicate that 802.1X is enabled on the phone, but the phone is unable to authenticate.
Solution
1. Verify that you have properly configured the required components. See 802.1X Authentication for more
information
2. Confirm that the shared secret is configured on the phone. See Security Configuration Menu for more
information.
• If the shared secret is configured, verify that you have the same shared secret entered on the
authentication server.
Troubleshooting and Maintenance
10
Troubleshooting and Maintenance
802.1X Enabled on Phone but Phone Does Not Authenticate

Cisco 7941G Specifications

General

Keypad number of keys	12
Touchscreen	-
Display resolution	320 x 222 pixels
Speakerphone	Yes
Voice codecs	G.729a
Bluetooth	No
Supported network protocols	DHCP, TFTP, SCCP, DSCP
Ethernet LAN (RJ-45) ports	2
Input voltage	48 V
Dimensions (WxDxH)	266.7 x 152.4 x 203.2 mm
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Safety	(UL) 60950, (CSA) C22.2 No. 60950, IEC 60950, EN 60950, AS/NZS 60950
Certification	CE (FCC) 15 (CFR 47) B ICES-003 B EN55022 B CISPR22 B AS/NZ 3548 B VCCI B EN55024 EN 50082-1 EN 61000-3-2 EN 61000-3-3
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1Q, IEEE 802.3af
Lines quantity	- lines
Phonebook capacity	- entries
Number of handles included	1 pc(s)

Weight and Dimensions

Weight	1600 g