HUNTSVILLE, Ala.--(BUSINESS WIRE)--ADTRAN®, Inc., (NASDAQ:ADTN), today announced that it is transforming the way it connects with ADvantage Partner Program participants. With continuous improvement and a greater understanding of the partner mindset, ADTRAN is turning the focus towards product specialization rather than revenue performance. The new enhancements will enable partners to receive more knowledge and better tools to succeed in selling ADTRAN solutions. ADTRAN is simplifying the channe