As an Amazon Associate, we earn from qualifying purchases. Avaya Definity TN731 Maintenance Pack Circuit Card (Refurbished) Avaya . AVDEFTN731-REF Gallery Attributes Brand name, Manufacturer name, ManufacturerAvaya ConditionREFURBISHED Extra Product NameAvaya Definity TN731 Maintenance Pack Circuit Card (Refurbished) moq, multiple1 MPN, SKUAVDEFTN731-REF qtyInStock0 qtySourceCondition Distributor offers SellerSKUMOQIn stockMultiplePrices startechtel.comAVDEFTN731-REF11