Home / Shop / Browse By Manufacturer / Avaya / AT&T Spirit 616 Expansion Unit AT&T Spirit 616 Expansion Unit$0.00 AT&T Spirit 616 Expansion Unit quantity Add to cart SKU: CS616E1 Categories: All Avaya Products, Avaya, Browse By Manufacturer, Spirit Tags: AT&T, Expansion Unit, spirit Description Description AT&T Spirit 616 Expansion Unit (Stock# CS616E1) The image displayed is for illustrative purposes only and may not be the product listed Related products Browse By Manufacturer , Avaya Avaya Partner Endeavor Processor 308 Browse By Manufacturer , Avaya Avaya Merlin 34 Button Deluxe Telephone Browse By Manufacturer , Avaya Merlin 1030 10 – Voice Terminal Module Browse By Manufacturer , Avaya Merlin 1030 or 3070 Power Supply