<SEC-DOCUMENT>0001047469-19-006945-index.html : 20191226 <SEC-HEADER>0001047469-19-006945.hdr.sgml : 20191226 <ACCEPTANCE-DATETIME>20191223181353 ACCESSION NUMBER: 0001047469-19-006945 CONFORMED SUBMISSION TYPE: PREM14A PUBLIC DOCUMENT COUNT: 10 CONFORMED PERIOD OF REPORT: 20200120 FILED AS OF DATE: 20191224 DATE AS OF CHANGE: 20191223 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Ribbon Communications Inc. CENTRAL INDEX KEY: 0001708055 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373] IRS NUMBER: 821669692 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: PREM14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-38267 FILM NUMBER: 191307444 BUSINESS ADDRESS: STREET 1: 4 TECHNOLOGY PARK DRIVE CITY: WESTFORD STATE: MA ZIP: 01886 BUSINESS PHONE: 978-614-8090 MAIL ADDRESS: STREET 1: 4 TECHNOLOGY PARK DRIVE CITY: WESTFORD STATE: MA ZIP: 01886 FORMER COMPANY: FORMER CONFORMED NAME: Sonus Networks, Inc. DATE OF NAME CHANGE: 20171027 FORMER COMPANY: FORMER CONFORMED NAME: Solstice Sapphire Investments, Inc. DATE OF NAME CHANGE: 20170531 </SEC-HEADER> <DOCUMENT> <TYPE>PREM14A <SEQUENCE>1 <FILENAME>a2240336zprem14a.htm <DESCRIPTION>PREM14A <TEXT> Document 1 - file: a2240336zprem14a.htm
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