7-7
Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.1 (SIP), Cisco Unified IP Phones
OL-11524-01
Chapter7 Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone
Status Menu
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 the “802.1X
Authentication and Status” section on
page 4-42.
DNS timeout DNS server did not respond. Network is busy—The errors should
resolve themselves when the network
load reduces.
No network connectivity between the
DNS server and the phone—Verify the
network connections.
DNS server is down—Check
configuration of DNS server.
DNS unknown host DNS could not resolve the
name of the TFTP server or
Cisco Unified CallManager.
Verify that the host names of the TFTP
server or Cisco UnifiedCallManager are
configured properly in DNS.
Consider using IP addresses rather than
host names.
Duplicate IP Another device is using the IP
address assigned to the phone.
If the phone has a static IP address, verify
that you have not assigned a duplicate IP
address. See the “Network Configuration
Menu” section on page 4-7 section for
details.
If you are using DHCP, check the DHCP
server configuration.
Table7-2 Status Messages on the Cisco Unified IP Phones 7970G/7971G-GE (continued)
Message Description Possible Explanation and Action