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Chapter 6 Viewing Model Information, Status, Statistics, and Security Information on the Cisco UnifiedIP Phone
Status Menu
6-6
Cisco Unified IP Phone 7940G/7960G Administration Guide for Cisco Unified CallManager 4.2(3)
OL-8555-02
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 CallManager 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 Options” section on
page 4-3 for details on assigning a static
IP address.
Table 6-2 Status Messages on the Cisco Unified IP Phone 7940G/7960G (continued)
Message Description Possible Explanation and Action