SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
X	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Senate Limited, Trustee (Last) (First) (Middle) P.O. BOX 506625 (Street) DUBAI C0 00000 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol SONUS NETWORKS INC [ SONS ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 03/20/2014
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $0.001 per share	03/20/2014		S		41,480,007	D	$3.4882	18,462,130(1)	I	See Footnote(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* Senate Limited, Trustee (Last) (First) (Middle) P.O. BOX 506625 (Street) DUBAI C0 00000 (City) (State) (Zip)

1. Name and Address of Reporting Person* LEGATUM GLOBAL HOLDINGS LTD (Last) (First) (Middle) P.O. BOX 506625 (Street) DUBAI C0 00000 (City) (State) (Zip)

1. Name and Address of Reporting Person* LEGATUM CAPITAL LTD (Last) (First) (Middle) P.O. BOX 506625 (Street) DUBAI C0 00000 (City) (State) (Zip)

1. Name and Address of Reporting Person* GALAHAD SECURITIES LTD (Last) (First) (Middle) P.O. BOX 506625 (Street) DUBAI C0 00000 (City) (State) (Zip)

Explanation of Responses:

1. The share disposition is made pursuant to the Underwriting Agreement, dated as of March 20, 2014, by and among Galahad Securities Limited, Sonus Networks, Inc. and Goldman, Sachs & Co. The closing is expected to occur on March 25, 2014, at which time the share disposition will be complete.

2. These shares are owned directly by Galahad Securities Limited, which is a wholly owned subsidiary of Legatum Capital Limited, which is a wholly owned subsidiary of Legatum Global Holdings Limited, which is a wholly owned subsidiary of Senate Limited, acting on behalf of that certain trust formed under the laws of The Cayman Islands as of 1 July 1996. Legatum Capital Limited, Legatum Global Holdings Limited and Senate Limited are indirect beneficial owners of the reported securities.

Remarks:

	See Signatures Included in Exhibit 99.1	03/24/2014
	See Signatures Included in Exhibit 99.1	03/24/2014
	See Signatures Included in Exhibit 99.1	03/24/2014
	See Signatures Included in Exhibit 99.1	03/24/2014
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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