As an Amazon Associate, we earn from qualifying purchases. Avaya Definity TN464F Universal DS1/ISDN PRI Interface (Refurbished) Avaya . AVDEFTN464F-REF Gallery Attributes Brand name, Manufacturer name, ManufacturerAvaya ConditionREFURBISHED Extra Product NameAvaya Definity TN464F Universal DS1/ISDN PRI Interface (Refurbished) moq, multiple1 MPN, SKUAVDEFTN464F-REF qtyInStock0 qtySourceCondition Distributor offers SellerSKUMOQIn stockMultiplePrices startechtel.comAVDEFTN464F-REF11