LICENSE-NV4K SBC, 25 CALL SKU: 1964SBCF25 Manufacturer: ADTRAN (0)No Reviews yet Call for availability Quantity -+ Details Adds SBC Feature Pack capability to the NetVanta 4660 and NetVanta 5660. Supports 25 calls. Details Back DetailsAdds SBC Feature Pack capability to the NetVanta 4660 and NetVanta 5660. Supports 25 calls. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review