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 6130-01-374-3192
NSN 5920-00-362-1376
NSN 6145-01-104-4677
NSN 6610-00-139-9757
NSN 5910-01-364-4298
NSN 6150-01-558-5237
NSN 6110-01-633-9660
NSN 5998-01-214-3937
NSN 6150-01-278-5150
NSN 5895-00-468-2239
NSN 5915-00-874-7735
NSN 6685-00-082-1939