 Highlights continued commitment to innovative optical transport solutions for customers PLANO, Texas, April 1, 2021 PRNewswire -- Ribbon Communications Inc. Nasdaq: RBBN, a global provider of real time communications software and IP optical networking solutions to service providers, enterprises, and critical infrastructure sectors, today announced that its Apollo 9901X Access OTN Switch and TM 400_2 high density dual 400G muxponder were recognized as high scorers by an experienced panel of judges from the optical communications community in the 2021 Lightwave Innovation Reviews. Our Apollo family of optical transport and switching platforms is designed to interwork seamlessly to provide scalable, high density and energy-efficient solutions across metro, regional and long-haul topologies, said Sam Bucci, Ribbons EVP General Manager, IP Optical Networks Business Unit. 