Genesys AudioCodes 420HD, Руководство пользователя

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Chapter 8: Troubleshooting Configuring 3rd Party Call Control (3PCC)
User’s Guide 69
Table 9: Troubleshooting
Symptom Problem Corrective Procedure
Phone is off
(no LCD displays
and LEDs)
Phone is not
receiving power

Verify that the AC/DC power adapter is attached
firmly to the DC input on the rear of the phone.

Verify that the AC/DC power adapter is plugged
into the electrical outlet.

Verify that the electrical outlet is functional.

If using Power over Ethernet (PoE), contact your
system administrator to check that the switch is
supplying power to the phone.
'LAN Link Failure'
message
displayed on LCD
screen
No LAN
connection

Verify that the LAN cable is connected securely
to the LAN port on the rear of the phone.

Verify that the other end of the LAN cable is
connected to the network (switch). If it's not,
inform your system administrator.
Phone is not
ringing
Ring volume is
set too low

Increase the volume
'Registration…'
message
displayed on LCD
screen and calls
cannot be made
or received
Line not
registered to
network
If your phone has multiple lines and an 'X' is
displayed on the LCD screen for a line, this indicates
that the line has not been successfully registered. For
assistance, contact your system administrator.
LCD screen
display is poor
LCD screen
settings
Adjust the phone’s screen contrast level
Adjust the screen’s backlight timeout
Headset has no
audio
Headset not
connected
properly
Verify that your headset is securely plugged into the
headset port located on the side of the phone.
Verify that the headset volume level is adjusted
adequately