User guide

Basic Troubleshooting Chart
Issue 3 November 2006 79
Audio quality is poor,
specifically, you hear an echo
while using a handset, static,
sudden silences (gaps in
speech), clipped or garbled
speech, etc.
Various potential network problems might be causing the problem.
Access the Network Audio Quality screen (described in Viewing the
Network Audio Quality in Chapter 6: 4625SW IP Telephone Options)
to provide your System Administrator with specific information
related to this problem.
Contact your LAN Administrator with as complete a description of
the problem as possible.
No dial tone Check that both the handset and line cords into the phone are
securely connected. Note that there might be a slight operational
delay if you unplug and reconnect the phone.
Reset or power cycle the phone with your System Administrator’s
assistance. See the section titled Resetting and Power Cycling the
IP Telephone for details.
Contact your System Administrator if these steps do not produce the
desired result.
A feature does not work as
indicated in this guide (for
example, the Redial button
does not operate as
described).
Verify the procedure and retry. For certain features, you must lift the
handset first or place the phone off-hook.
Contact your System Administrator if this action does not produce
the desired result. Your telephone system might have been specially
programmed for certain features applicable only to your installation.
All other IP phone problems. Contact your System Administrator.
Problem/Symptom Suggested Solution (continued)
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