LV switch IPPBX3000, User Manual

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LvSwitch IPPBX 3000 Manual
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11. Trouble shooting
Appendix 1 Simple failure and troubleshooting
The fault phenomenon The cause of the problem The solution
the indicator light is not on Power off Check plug and power supply
The extension of silent Connection failed Connect the line or
troubleshoot the phone
A noise Poor contact/improper wiring Tighten/remove the connection
from the source
Poor quality A mixture of phone Unified telephone standard
No caller id Outside line without caller id
function Apply to the
telecommunication office to
set up bell extension
Silent outside call A bad connection/outside line Connect an outside line/check
that the wires are connected
properly
The call was disconnected
regularly Set the time limit Remove limit
Unable to log in system Using the wrong account or
password Use the correct account and
password
Extension no dial tone Crystal head loose/circuit fault
(open or short) Change the crystal head,
change the line
Extension doesn't ring Set the do not disturb
function/the phone is damaged Cancel the DND function and
replace the line
Outside dial-in extension does
not ring Turn off the outside
line/Connect the phone before
the outside line
Turn on the outside line /clear
and answer calls
Extension can't dial out Outside line is ISDN line/or
outside line voltage is low set
limit outside line class Some components need
permission to change outside
line
The switch can’t connect to the The default network port of the
software does not match the Set software network port is
consistent with using network