AT&T Message Waiting Lamp-A (MWL-A) telephone indicator light. Designed to work with compatible AT&T telephone and PBX systems to visually indicate when a voicemail or message is waiting. Commonly used in office telecom setups during the 1990s. Includes original box, manual, wiring, and power adapter as shown. Condition: • Appears unused and still wrapped in original packaging • Box shows minor storage wear • Untested due to telecom system requirements • Includes manual and cords A great piece for vintage telecom collectors, office technology enthusiasts, or telecom system restoration. Please review photos for full condition and contents.
