RBBN vs AFB Comparison

Ribbon Communications Inc provides communications technology to service providers and enterprises, offering software and high-performance hardware products, network solutions, and services for secure data and voice communications, as well as high-bandwidth networking for residential and enterprise customers across industries such as finance, education, government, utilities, and transportation. It operates through two segments: Cloud and Edge, which generate maximum revenue and deliver software-centric, cloud-native solutions for VoIP, VoLTE, VoNR, and unified communications, and IP Optical Networks, which support growing telecommunications traffic from 5G, distributed cloud computing, and other applications. The Company generates the majority of its revenue from the United States.

Alliancebernstein National Muni Inc Fd is a diversified, closed-end management investment company. It seeks to provide high current income exempt from regular federal income tax by investing substantially all of its net assets in municipal securities that pay interest that is exempt from federal income tax.