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David ArroyoAug 30, 2025
What to do if my Avaya 3730 displays 'Service needed Hardware error'?
- RRicky GoldenAug 31, 2025
If your Avaya IP Phone displays 'Service needed Hardware error', it indicates a communication problem between components in the handset. Restart the handset. If the problem persists, send the handset for service.