Ribbon Communications Files Two More Lawsuits against Metaswitch in Ongoing Patent Battle Ribbon Communications Files Two More Lawsuits against Metaswitch in Ongoing Patent Battle By Bart Eppenauer| 2018-04-17T22:59:41+00:00 April 17th, 2018|Cloud Communications, Competitor Case, USDC Eastern District Texas| Read More Comments Off on Ribbon Communications Files Two More Lawsuits against Metaswitch in Ongoing Patent Battle