Troubleshooting
Troubleshooting
If you are experiencing trouble, refer to the information in this section. Before troubleshooting, confirm all connections (see page 22) and confirm that the AC outlet or PoE device to which the unit is connected to is receiving power.
General Use
Issue
The display is blank.
The unit is not performing properly.
Possible Cause & Solution
•The unit is not receiving power.
→The unit is not designed to function when there is a power failure. Make sure that the unit is connected to the AC outlet and receiving power. If using PoE, confirm that the device supplying PoE is receiving power and that the LAN cable is properly connected.
•Cables or cords are not connected properly.
→Check all connections.
•An error has occurred.
→Reset the unit. Disconnect the unit from the AC outlet, wait 10 seconds, then connect the AC adaptor again. If using PoE, disconnect the LAN cable, wait 10 seconds, then connect the LAN cable again.
Reference
page 22
page 22
page 22
Making and Receiving Calls
Issue
I cannot make IP calls.
Possible Cause & Solution
•The IP line is not selected.
→Before dialing, confirm that "IP" is shown in the
•The IP address was entered incorrectly.
→Confirm that you have entered the IP address of the other party correctly.
•The "Operation Mode" setting is not correct.
→Change the setting to "Peer to Peer" if you want to make or receive peer to peer IP calls (i.e., calls made by specifying the called party's IP address).
→Change the setting to
•Consult your system administrator.
Reference
page 30
page 31
page 25
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Document Version 2008/10 | Operating Instructions |
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