Enter change station n, where n is the number of the extension to which you want to assign an abbreviated and delayed feature button for a user.
Click Next until you see the Button Assignments area.
Type abrv-ring next to the button that you want the user to use to cause a call that rings to transition from ringing to silence, or silence to ringing.
When you type abrv-ring next to the button, the system displays an Ext: field.
(Optional) In the Ext: field, type the extension of the other user to whom you want to assign the abbreviated ringing button.