Time
Problem
Cause/Solution
The time is not correct.
•
In the Web user interface, you can set NTP
synchronization and DST (Summer Time) control to adjust
the time automatically (
®
see
•
If the time is still incorrect even after setting NTP
synchronization, check the firewall and port forwarding
settings on the router.
Error Codes
During operation, error messages might appear on the unit. The following table lists these messages and
possible causes and solutions.
Error code
Probable Cause
Solution
Error:001
LAN disconnection
detected
Check the LAN cables connections.
Error:002
Overlapping IP addresses
Check the IP addresses and re-set them.
For making settings using a unit, see 1.1.3 Basic Network
Setup.
Error:003
The REGISTER of the SIP
server has not been
registered.
Consult your network administrator or phone system
dealer.
Error Message
Error Message
Probable Cause
Solution
Need Repair
Hardware failure
Consult your network administrator or phone system
dealer.
Checking the Status of the Unit
You can check the status of the unit by using Web user interface programming (
®
) or by looking at system logs (
®
) sent from the
unit.
To check the setting status in the Web user interface
1.
Click the
[Status]
tab, and then click
[Network Status]
to check the network settings.
2.
Check the status displayed.
3.
Click
[VoIP Status]
to check the VoIP settings.
4.
Check the status displayed.
To check the setting status using the Unit
1.
2.
[ ]/[ ]: "
System Settings
"
®
OK
284
Administrator Guide
Document Version 2015-02
8.1 Troubleshooting