Possible explanation and actionDescriptionMessage
Problem with the CTL file on the
TFTP server.
For more information, see the Cisco
Unified Communications Manager
Security Guide.
The phone could not update the
certificate trust list (CTL) file.
CTL update failed
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 Ethernet
Setup menu, on page 104 for details
about assigning a static IP address.
DHCP server did not respond.DHCP timeout
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 the DNS server.
DNS server did not respond.DNS timeout
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
DNS could not resolve the name of
the TFTP server or Cisco Unified
Communications Manager.
DNS unknown host
If the phone has a static IP address,
verify that you did not assigned a
duplicate IP address. See Ethernet
Setup menu, on page 104 for details.
If you are using DHCP, check the
DHCP server configuration.
Another device is using the IP
address that is assigned to the phone.
Duplicate IP
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0
(SIP)
229
Model information, status, and statistics
Status Messages Screen
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