LICENSE-NV4K SBC, 500 CALL SKU: 1964SBCF500 Manufacturer: ADTRAN (0)No Reviews yet Call for availability Quantity -+ Details Adds SBC Feature Pack capability to the NetVanta 4148. Supports 1000 calls. Details Back DetailsAdds SBC Feature Pack capability to the NetVanta 4148. Supports 1000 calls. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review