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Cisco Unified IP Phone 7906G and 7911G Administration Guide for Cisco Unified CallManager
OL-10008-01
Chapter7 Viewing Security Information, Model Information, Status, and Statistics on the Cisco Unified IP Phone
Status Menu
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 UnifiedCallManager 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 CallManager 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 page4-7
for details on assigning a static IP
address.
Table7-4 Status Messages on the Cisco Unified IP Phones 7906G and 7911G (continued)
Message Description Possible Explanation and Action