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Chapter 7 Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone
Status Menu
7-6
Cisco Unified IP Phone 7970G/7971G-GE for Cisco Unified Communications Manager 6.0
OL-12232-01
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 4-7 for
details on assigning a static IP
address.
Table 7-2 Status Messages on the Cisco Unified IP Phone 7970 Series (continued)
Message Description Possible Explanation and Action