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 5996-01-025-8571
NSN 5960-00-372-4876
NSN 7035-01-482-9941
NSN 6110-01-245-8948
NSN 6620-01-118-7588
NSN 2925-00-412-2046
NSN 5930-00-929-2734
NSN 6650-00-054-4721
NSN 6685-00-678-2948
NSN 6135-00-097-8162
NSN 6620-01-266-5280
NSN 6240-01-141-5230