The SmartOS 12.1.3.1 firmware release for Adtran's Service Delivery Gateway (SDG) products is a system release that addresses customer issues uncovered in previous code releases. The release is generally available code for the 834-5, 834-v6, 841-t6, and 854-(v)6 SDG platforms. Results obtained during internal testing have been evaluated and the code has been determined to be ready for general availability.
Features, fixes, and errata for the SmartOS 12.1.3.1 firmware release are outlined in the attached PDF.