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The telephone doesn’t ring. 1 Make sure the ringer is turned on.
2 Set the ringer volume to a higher level.
3 Place a test call from another extension to your extension.
4 Test the ringer by pressing the left or right side of the Volume
button while the handset is on-hook and the speaker is off.
5 Check the line cord to make certain it is securely connected at
both ends.
6 If there is still a problem, see your system manager.
The lights do not go on
next to the buttons.
1 Do a self-test of the voice terminal light to see if they go on.
2 Check the line cord to make certain it is securely connected at
both ends.
3 If there is still a problem, see your system manager.
Problem Solution
System 75 Version Notes
If you have Version 1 or 2 of System 75, some features may work a little differently than noted in
this guide. The following list explains the slight differences in these procedures.
Note: If you are uncertain what version of the System 75 software your business is using, check
with your system manager.
Feature System 75 Version Changes in Feature Operation
Abbreviated
Dialing
If you are using
Version 1
If you are using
Version 1 or 2
You can store up to 16 digits rather than
24 digits.
You cannot use an
Enhanced List.
Call Forwarding
All Calls
If you are using
Version 1 or 2
You cannot forward
someone else’s calls.
Last Number
Dialed
If you are using
Version 1
You can store up to 16 digits rather than
24 digits.
Priority Calling If you are using
Version 1 or 2
You cannot change a regular call into a
priority call.