Ericsson Basic telephone - Troubleshooting Common Issues; Fault Check List

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Troubleshooting
BusinessPhone - Analog Telephone
Troubleshooting
This section contains information on how to solve common
operational problems. Go through the following steps if you
encounter any problems. If this does not solve the problem,
contact your system administrator. If others have similar
problems, there may be a system error.
Fault check list
1. Make sure your telephone is connected to an
analog line
2. Read the Installation chapter
To make sure that you have done everything correctly and
that everything is properly connected.
3. Disconnect all extra equipment
If your telephone is working properly when done, the
problem lies in the extra equipment.
4. Connect a functioning telephone instead of the
faulty one
If that telephone is working properly, the problem is
probably in your telephone, contact your system
administrator.
5. Check for operational problems
If operational problems are found, the problem is in the
telephone network, contact the local telephone service or
the local telephone company.