Start Here - Mitel 3300 Technician's Handbook

Start Here

If the problem is in one of the areas listed below, see the
referenced troubleshooting section:
Troubleshooting Software
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•
Troubleshooting Hardware
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•
•
•
Troubleshooting Network
•
•
Troubleshooting Phones and Peripherals
•
•
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For any other types of problems, see the "Generic
Troubleshooting Steps" section below. If you cannot find
a solution to your problem in this chapter, see "Before
You Contact Technical Support" on page 142.
Troubleshooting Software Installation and Upgrade
(page 147)
Troubleshooting Software Backup and Restore
(page 151)
Troubleshooting NSUs (page 161)
Troubleshooting ASUs (page 163)
Troubleshooting Peripheral Units (page 164)
Troubleshooting Digital Service Units (page 165)
Troubleshooting IP Trunking (page 169)
Troubleshooting IP Phone Registration Problems
(page 171)
Troubleshooting Phone Connection Problems
(page 182)
Troubleshooting Phone Audio Quality (page 185)
Troubleshooting IP Console Problems (page 190)
Troubleshooting
143