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Troubleshooting Guidelines
148 4600 Series IP Telephone LAN Administrator Guide
Troubleshooting the 4601 IP Telephone
This section describes specific problems that can occur during 4601 IP Telephone installation,
administration or normal operation, and possible ways of resolving these problems.
In Table 18
, the Error Messages shown in the first column correspond to the equivalent
conditions described in “Chapter 4" of the 4600 Series IP Telephone Installation Guide and
Table 16:
Possible Error Messages During Installation or Operation of 4600 Series IP
Telephones. However, rather than displaying messages, the 4601 turns its LEDs on and off to
indicate an error condition, as described in Table 18
’s second column. In addition, not all error
conditions result in unique LED indications.
Table 17: Possible Error Messages During 4610SW, 4620/4620SW, 4621SW, 4622SW,
4625SW, and 4630/4630SW Backup/Restore
Error Message Cause/Resolution
The FTP Server has
denied access
Please check FTP
Setup parameters
CAUSE: The FTP server has reported that it did not store data.
RESOLUTION: Verify the FTP server setup parameters, as
indicated on the FTP Setup Parameters screen. See “FTP Setup”
in Chapter 8 of the 4630/4630SW IP Telephone User Guide, or
see “Backup/Restore Options” in Chapter 6 of the appropriate
User Guide for the telephone type.
The FTP Server was
unable to store the
backup file
CAUSE: The FTP server has reported that it could not store the
data.
RESOLUTION: Verify administration and available capacity/
filespace on the FTP server.
Table 18: Possible Error Messages During 4601 IP Telephone Installation or
Operation
Error Message 4601 Visual Indication/Cause/Resolution
Extension
Error
VISUAL INDICATION: Message Waiting indicators at top of telephone and
the left middle of the faceplate display a broken flutter for a total of 5 cycles
(with one cycle being alternating 50 milliseconds on, 50 milliseconds off for
500 milliseconds followed by 500 milliseconds off).
CAUSE: The PBX does not recognize the extension entered or cannot find
a valid gatekeeper.
RESOLUTION: Confirm the extension is correct and is correctly
administered on the switch. Then try registration again, taking particular
care to enter the extension accurately.
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