Karel NT421, Техническое описание и руководство пользователя

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NT42I Technical Reference and User Guide
16
TROUBLESHOOTING
Telephone does not work even power connection is made.
Be sure that adapter cable is connected to plug. Check that there is voltage at the plug and
be sure that there is voltage at the plug. If every connection is OK, wait 25-30 seconds.
Telephone will start. If telephone is still closed, take the adapter cable back from the plug and
contact with service.
Physical Connections are OK but can not connect to WEB interface.
Check physical connections of your telephone. Check the place of LAN connection at the
telephone is correct. Be sure that Ethernet cable is OK. Check whether IP configuration of
the telephone is correct. Check whether the same IP is used by other machine at the same
LAN or not. If yes, contact to authorized person. Check whether Gateway address is entered
correctly. Ping to telephone’s IP from other computer at that LAN. (by using Command
Prompt and write C:\ ping 192.168.178.247.) If you get response, you can open web
interface, if not please check network settings and check whether they are the same with
NT42I or not. If problem is not solved, please contact with service.
If “Registration Failure” appears.
Check whether telephone LAN cable is connected or not and check whether cable is OK. If
problem continues, please check SIP Settings again. Be sure about SIP server IP and IP
PBX settings. Verify your server username and password. If problem is not solved, please
contact with service.
If telephone is ON but “No service” message occurs.
Be sure that the software of telephone is installed completely. For this purpose, check
System Settings>System Information. Be sure that all cable connections are made
completely. Check Network Settings again. If problem is not solved, please contact with
service.