HUNTSVILLE, Ala.--(BUSINESS WIRE)--ADTRAN®, Inc., (NASDAQ:ADTN), today announced it has received ShoreTel Innovation Network interoperability certification for the ADTRAN NetVanta® switch portfolio. ADTRAN is the only partner in the Innovation Network to have a complete, end-to-end solution set certified to support requirements from point of demarcation with enterprise session border controllers (eSBCs) all the way to the LAN with Ethernet switches. The integration of ADTRAN solution sets and S