<SEC-DOCUMENT>0000950103-20-005240-index.html : 20200313
<SEC-HEADER>0000950103-20-005240.hdr.sgml : 20200313
<ACCEPTANCE-DATETIME>20200313165012
ACCESSION NUMBER:		0000950103-20-005240
CONFORMED SUBMISSION TYPE:	SC 13D
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20200313
DATE AS OF CHANGE:		20200313
GROUP MEMBERS:		EQUIOM (GUERNSEY) LTD.

SUBJECT COMPANY:	

	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:		SC 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-90164
		FILM NUMBER:		20713503

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ECI Holding (Hungary) Kft.
		CENTRAL INDEX KEY:			0001805605
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			K5
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D

	BUSINESS ADDRESS:	
		STREET 1:		DOHANY UTCA 12
		CITY:			BUDAPEST
		STATE:			K5
		ZIP:			H-1704
		BUSINESS PHONE:		36 1 328 6800

	MAIL ADDRESS:	
		STREET 1:		DOHANY UTCA 12
		CITY:			BUDAPEST
		STATE:			K5
		ZIP:			H-1704
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D
<SEQUENCE>1
<FILENAME>dp123869_sc13d.htm
<DESCRIPTION>FORM SC 13D
<TEXT>
Document 1 - file: dp123869_sc13d.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>dp123869_ex01.htm <DESCRIPTION>EXHIBIT 1 <TEXT> Document 2 - file: dp123869_ex01.htm
</DOCUMENT> </SEC-DOCUMENT>