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Linksys IP Phone Administrator Guide
Firmware Version 5.1
Chapter 3 Managing Linksys IP Phones
Troubleshooting FAQ
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If using PoE, verify that the RJ-45 connector is firmly connected to the switch/wall connection.
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If not using PoE, check the wall socket and confirm that AC power is available. Also, try
plugging another electrical device into the socket to confirm power.
Q.
Why does the phone not make or receive calls?
A.
If the phone does not make or receive calls, first verify that the phone’s line LEDs are green. Any
other color indicates either a registration or network problem. If the LEDs are not green:
1. Press the Setup button, then 11, then 2.
This provides the registration information for Extension 1 of the phone. The screen should
display E1 Registered and other information in the format provided below:
Text Box: E1 Registered
Last Reg: 08:33 1/3
Next Reg in: 13s
Status cancel cancel
There may be a problem if the screen displays Not Registered.
2. Write down whether the phone is Registered or Not Registered.
3. To exit from this option, press the Setup button.
4. Get the current IP address of the phone by pressing Menu, 9, 2.
The phone displays the current IP address.
5. If there is no address or the address does not appear correct for your network, restart the phone, the
SPA9000, and the router or DHCP server.
6. Get the current IP address of the phone by pressing Menu, 9, 2.
7. Contact the network administrator or service provider. Be prepared to provide the call log
information, the voice quality issue type, the current IP address and registration status (Registered,
Not Registered).
Q.
Why are voice calls of poor sound quality?
A.
The source of this issue is often one of the following two issues:
• The phone or call controller may have been configured improperly.
• The transport network has performance issues.
To troubleshoot this problem, gather the following information:
Identify when and where the issue occurred. Look at the Redial List (calls that the user made) by
pressing Menu, 3, 1, and write down the calls that were affected. Then look at the Answered Calls
by pressing Menu, 3, 2, and write down the calls that were affected.
Identify the type of voice quality issue (for example, part of the conversation is dropped, excessive
echo, unclear or garbled speech, one way conversation, or low volume)