An item specifically designed to notify the user that there is an awaiting phonecall via an audible tone, bell, beep or the like. It may or may not include a display or readout to indicate the incoming number, or an autodial feature.
NSN 5990-00-623-8127
NSN 5985-01-169-4289
NSN 5935-01-287-1549
NSN 6130-00-940-7866
NSN 6645-01-625-9422
NSN 5945-01-566-1659
NSN 5945-01-481-4504
NSN 5930-01-055-5525
NSN 5915-01-441-2238
NSN 6105-01-634-0322
NSN 5945-01-502-0015
NSN 5960-01-428-7300