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Troubleshooting
Page 52 Mitel
®
8520 Telephone User Guide – Issue 13, September 2009
Troubleshooting Tips
The following table includes troubleshooting tips for phone and system features.
NOTE
You can often correct problems that you may be experiencing by resetting the
phone to the default settings. See “Resetting the Phone to the Default Settings” on
page 15.
Problem Possible Solution
The phone is not working properly. Contact your system administrator.
I cannot use one or more of the
features described in this guide.
The feature may not be enabled. Contact your system
administrator for more information.
I cannot program System Speed-Dial
numbers.
Your system administrator programs System Speed
Dial numbers.
I cannot change the time and date on
the phone display.
Your system administrator programs the time and date.
Contact your system administrator if you notice that the
date and time are incorrect.
I am experiencing audio problems on
my phone such as echo, distorted
sound, or choppiness.
Contact your system administrator if you are having
audio problems.
The name on the display is incorrect Your system administrator assigns display names.
I cannot use the local telephone
company star codes (for example,
*82, *69) when I press the
OUTGOING button or use the
Outgoing Call access code (8 is the
default code) when calling an
external number.
Rather than pressing the OUTGOING button or 8 to
access an outside line, you must dial a Select Line
Group number before you can use the star codes. For
example, if your system is using the default Select Line
Group numbers, dial 92001 to access that line. After
you have dial tone, you can dial the star code and the
number.
I cannot use the Agent Help or
Record-a-Call features.
If your system uses Peer-to-Peer (P2P) audio, you
cannot use these features when you are on a P2P call.
Contact your system administrator for more
information.
I cannot program a Station Speed-
Dial number to the button I want.
Before assigning the speed-dial number to a
programmable button, you must store the number with
either a Station or System Speed-Dial code.