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Inter-Tel
®
Model 8520 User Guide
FINDING YOUR WAY
SOFTWARE COMPATIBILITY
Depending upon which software version your telephone system is using, some of the
features included in this guide may not be available for your endpoint. Check with
your system administrator to see which software version your telephone system cur-
rently uses and if there are any features restrictions for your system.
The Model 8520 is compatible with Axxess
®
system software versions 7.0 and later,
and Inter-Tel
®
5000 system software versions 1.1 and later.
Endpoints using Axxess software versions 3.0 to 6.x have limited functionality in the
following areas:
• The button will not work; however, you can still use this feature by dial-
ing the Station Speed-Dial feature code (see page 56).
• The button will not work; however, you can still use this feature by dial-
ing the Page feature code (see page 60).
• The Message Indicator lamp will not work; however, the button will still
function properly (see page 33).
• The dedicated headset audio jack will not work; however, you can still use the
headset by plugging the headset into the handset jack and dialing the Headset On/
Off feature code (see page 30).
• The optional Mini-DSS will not work.
• The , , , , and lamps will not
light.
The Model 8520 endpoint is not supported by software Axxess versions 3.0 and ear-
lier.
NOTE: This information about compatibility applies to endpoints programmed to use
the default button locations. Your buttons may have been programmed differently. If you
are uncertain about the configuration, ask your system administrator.
STN SPDL
PAGE
MSG
TRANSFER ANSWER OUTGOING
SYS SPDL
REDIAL