2020 Q3 Ribbon Communications Third Quarter 2020 Financial Results Conference Call Q3 2020 Press Release 238.9 KB Q3 2020 Presentation 973.6 KB Annual Reports Document 2019 Annual Report View Document 2018 Annual Report View Document 2017 Annual Report View Proxy Statements Filing date View Dec 21, 2020 View HTML 0001708055-20-000205.pdf 0001708055-20-000205.rtf 0001708055-20-000205.xls Dec 21, 2020 View HTML 0001708055-20-000206.pdf 0001708055-20-000206.rtf 0001708055-20-000206.xls Form 10-Q/K Filing date View Dec 21, 2020 View HTML 0001708055-20-000205.pdf 0001708055-20-000205.rtf 0001708055-20-000205.xls Dec 21, 2020 View HTML 0001708055-20-000206.pdf 0001708055-20-000206.rtf 0001708055-20-000206.xls