Northern Telecom 3X8 Owner's Handbook Manual page 78

If a feature code is programmed onto a memory button, you may
be able to cancel the feature by pressing the memory button
while the feature is active.
If you change your mind in the middle of using a feature, you can
back out by pressing [Feature] or
disconnects any active call.
Telephone
Because the M7100 Telephone does not have any line buttons it
sometimes works slightly differently from other
telephones. Where other telephones may require you to select a
line button to answer a call, on the
pick up the receiver. Where other telephones require you to
select a line button to take a call off hold, you press [Hold] on
the Telephone. The
button. You will find special instructions for the
Telephone in some feature descriptions.
PO842627 01
Using features 73
Be aware that pressing
Telephone you simply
Telephone cannot have a
Owner's Handbook