When you are on a call and abbreviated ringing is active, any incoming call rings only once. The LED/LCD next to the line button flashes until the call is answered or the caller hangs up. This feature prevents incoming calls from distracting you when you are already busy on another call.
•Abbreviated ringing is on by default active for all extensions. It can be turned on or off for specific extensions.
•To allow calls to ring repeatedly, turn abbreviated ringing off.
•Abbreviated ringing is typically turned off for operators and others who handle many calls quickly.
•Abbreviated ringing applies to outside, transferred and intercom calls.
•On ETR phones the volume of an abbreviated ring is lower than a normal ring.
•Calls to a busy extension ring at a lower volume than normal regardless of whether abbreviated ringing is on or off.
1408/1416/9504/9508 Phone
1.At either of the first two extensions on the system, press Admin.
•To do the above during a call, you may need to press the 
PHONE button to display the Admin soft key option. If you access phone administration during a call, only the 
SPEAKER, 
MUTE and 
HEADSET buttons still affect the connected call.
2.Use the 
up or down 
arrow buttons to scroll the display to System Administration. When highlighted, press Select.
3.Use the up or down arrow buttons to scroll the display to Extensions. When highlighted, press Select.
4.Use the up or down arrow buttons to scroll the display to Abbreviated Ringing. When highlighted, press Select.
5.At the Extension: prompt enter the extension you want to edit.
6.The current setting is displayed.
7.Enter 1 or 2. The default is 1 (active), ie. use abbreviated ringing.
•Alternatively use the 
left or right 
arrow icons to toggle through the settings or Default to return to the default setting.
8.Use the up or down arrow buttons to select another extension to adjust if required.
•Exit programming by pressing PHONE. Alternatively use the Back button to move to another menu.
M7324/M7324N/M7310/M7310N/T7316/T7316E Phone
1.At either of the first two extensions on the system, press 
Feature **config (ie. Feature **266344).
•If the system has a system password set, it is requested. Enter the password.
2.The phone displays System Admin.
3.Dial #305. The phone displays Abbreviated Ringing.
4.Enter the number of the extension to be programmed.
5.Enter 1 or 2. The default is 1 (active), ie. use abbreviated ringing.
•Alternatively use the Next Data or Previous Data buttons to change the setting or press Remove to return to the default setting.
6.Press the Next Item or Previous Item button for the next or previous extension respectively.
•To exit phone based administration at any time, press the Release button. To select a different process use the Next Procedure or Previous Procedure buttons or dial another feature code.
ETR 18D/ETR 34D Phone
1.At either or the first two extensions on the system, press Feature 0 0 followed by two presses of the first intercom or call appearance button.
2.System Administration: is shown on the display.
3.Dial #305. The phone displays Abbreviated Ringing.
4.Enter the number of the extension to be programmed.
5.Enter 1 or 2. The default is 1 (active), ie. use abbreviated ringing.
•Alternatively use the Next Data or Previous Data buttons to change the setting or press Remove to return to the default setting.
6.Press the Next Item or Previous Item button for the next or previous extension respectively.
•Exit programming by pressing Feature 00. You can also exit programming mode by lifting the handset, then placing it back in the cradle.