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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SCCP)
OL-3141-01
Chapter8 Troubleshooting
Symptoms and Actions
Symptoms and Actions
Symptom Parameters with values set by using the web server interface or voice configuration menu revert
to their original settings.
Possible Cause You are using TFTP for configuration (UseTFTP parameter is set to 1). The
Cisco ATA has a cached version of its configuration file stored in its flash memory; this is what
displayed or played through the web server interface or voice configuration menu. If UseTFTP is set
to 1, then the cached value of its configuration file is synchronized with its configuration file located
at the TFTP server.
Recommended Action If you are using TFTP for configuration, do not use the web server interface or
voice configuration menu to modify the value of the Cisco ATA configuration file. Use the web server
interface or voice configuration menu only to initially configure the Cisco ATA to use TFTP for
configuration.
Symptom Unable to access the web configuration page.
Possible Cause Software versions earlier than 2.0 require the web configuration page to be enabled
using option 80# on the voice configuration menu.
Recommended Action Upgrade the software.
Symptom The Cisco ATA does not seem to be configured using the TFTP server.
Possible Cause TFTP server address is not properly set.
Recommended Action Ensure that the TftpURL is correctly set to the URL or IP address of the TFTP
server that is hosting the configuration file for the Cisco ATA. If you are using DHCP to supply the
TFTP server IP address, make sure that the TftpURL is set to 0. Also, unless the TftpURL is an IP
address, be sure that the DNS1IP and DNS2IP values are properly set to resolve the TftpURL
supplied by DHCP.
Symptom Two records of a Cisco ATA registration—one Cisco ATA 186 record and one Cisco 7960
record—are shown on the Cisco CallManager.
Possible Cause Backward compatibility requirements cause a Cisco ATA to attempt to register as both a
Cisco ATA 186 and a Cisco 7960 device type.
Recommended Action Upgrade the Cisco ATA signaling image to a version number of 2.15 or later.