​Ribbon Communications Inc. (NASDAQ:RBBN) is one of the Best Value Penny Stocks to Buy Now. On February 25, Ribbon Communications Inc. (NASDAQ:RBBN) announced its strategic partnership with Amazon Web Services to deliver a cloud-native voice communications solution available on AWS Marketplace. ​The company said that the solution integrates Ribbon’s key products, including Session Border Controller Policy and Routing Server, and Application Management Platform to offer secure session control and centraliz ...