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Cisco Unified IP Phone 7962G and 7942G Administration Guide for Cisco Unified Communications Manager 6.1(3)
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Chapter 7      Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone
    Status Menu
CFG TFTP Size Error The configuration file is too large for file 
system on the phone.
Power cycle the phone.
Checksum Error Downloaded software file is corrupted. Obtain a new copy of the phone firmware and place it 
in the TFTPPath directory. You should only copy files 
into this directory when the TFTP server software is 
shut down, otherwise the files may be corrupted.
CTL Installed A certificate trust list (CTL) file is 
installed in the phone.
None. This message is informational only.
For more information about the CTL file, refer to 
Cisco Unified Communications Manager Security 
Guide.
CTL update failed The phone could not update its 
certificate trust list (CTL) file.
Problem with the CTL file on the TFTP server.
For more information, refer to 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. See the 
“Network Configuration Menu” 
section on page 4-5 for details on assigning a 
static IP address.
Disabled 802.1X Authentication is disabled on the 
phone.
You can enable 802.1X 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 4-31.
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 
Communications Manager.
  • Verify that the host names of the TFTP server or 
Cisco Unified
 Communications Manager are 
configured properly in DNS. 
  • Consider using IP addresses rather than host 
names.
Table 7-2 Status Messages on the Cisco Unified IP Phone (continued)
Message Description Possible Explanation and Action