UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C.  20549

SCHEDULE 13D/A

Under the Securities Exchange Act of 1934
(Amendment No. 1)


magicJack Vocaltec, Ltd. 

(Name of Issuer)

Class A Common stock

(Title of Class of Securities)

0001005699

(CUSIP Number)

Spencer Grimes
Twinleaf Management, LLC
131 Brookwood Lane,
New Canaan, CT 06840
(203) 594-1441

(Name, Address and Telephone Number of Person 
Authorized to Receive Notices and Communications)

December 21, 2017

(Date of Event which Requires
Filing of this Statement)

If the filing person has previously filed a statement on 
Schedule 13G to report the acquisition that is the subject 
of this Schedule 13D, and is filing this schedule because 
of ss.ss.240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), 
check the following box [ ].

Note:  Schedules filed in paper format shall include a signed 
original and five copies of the schedule, including all 
exhibits.  See ss.240.13d-7 for other parties to whom 
copies are to be sent.

*The remainder of this cover page shall be filled out for a
reporting person's initial filing on this form with respect
to the subject class of securities, and for any subsequent
amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page
shall not be deemed to be "filed" for the purpose of Section
18 of the Securities Exchange Act of 1934 ("Act") or
otherwise subject to the liabilities of that section of the
Act but shall be subject to all other provisions of the Act
(however, see the Notes).
 
1	Names of Reporting Persons

	Twinleaf Management, LLC

2	Check the Appropriate Box if a Member of a Group
				(a)	[ ]
	(See instructions)	(b)	[X]

3	SEC USE ONLY

4	Source of Funds (See Instructions) OO

5	Check if Disclosure of Legal Proceeding is Required
	Pursuant to Items 2(d) or 2(e)

6	Citizenship or Place of Organization  Connecticut, USA

7	Sole Voting Power	        0	 

8	Shared Voting Power		409,241 

9	Sole Dispositive Power		0 

10	Shared Dispositive Power        409,241 	 

11	Aggregate Amount Beneficially Owned by each Reporting
Person
	 409,241 

12	Check if the Aggregate Amount in Row (11) Excludes 
Certain Shares (see instructions)       [ ]

13	Percent of Class Represented by Amount in Row (11)

	2.5%

14	Type of Reporting Person (See Instructions)

	IA


As of December 21, 2017 Twinleaf Management, LLC is the 
beneficial  owner of 409,241 shares of Class A Common 
Stock of magicJack Vocaltec, Ltd.  The shares are  allocated 
across nine (9) discretionary client accounts (the 
"Client Accounts").  Such clients have the right to 
receive or the power to direct  the receipt of dividends from, 
or the proceeds from the sale of, such securities.  No such 
client contains an interest relating to more than five 
percent (5%) of the class of securities.
 
1	Names of Reporting Persons

	Spencer Grimes, Managing Member of Twinleaf Management, 
	LLC

2	Check the Appropriate Box if a Member of a Group
				(a)	[ ]
	(See instructions)	(b)	[X]

3	SEC USE ONLY


4	Source of Funds (See Instructions) OO


5	Check if Disclosure of Legal Proceeding is Required
	Pursuant to Items 2(d) or 2(e)

6	Citizenship or Place of Organization  USA

7	Sole Voting Power	0	 

8	Shared Voting Power	409,241 	 

9	Sole Dispositive Power	0	 

10	Shared Dispositive Power  409,241 	 

11	Aggregate Amount Beneficially Owned by each Reporting
Person
	 409,241 

12	Check if the Aggregate Amount in Row (11) Excludes 
Certain Shares (see instructions)       [ ]

13	Percent of Class Represented by Amount in Row (11)
 
    2.5%	 

14	Type of Reporting Person (See Instructions)

	IN/HC

* As of December 21, 2017 Twinleaf Management, LLC is the
 beneficial owner of 409,241 shares of Class A Common Stock 
of magicJack Vocaltec, Ltd. The shares are allocated across 
nine (9) discretionary client accounts (the "Client 
Accounts").  Such clients have the right to receive or the 
power to direct the receipt of dividends from, or the 
proceeds from the sale of, such securities.  No such client 
contains an interest relating to more than five percent (5%) 
of the class of securities.  Spencer Grimes is the Managing 
Member of Twinleaf Management, LLC and as a result possesses 
the power to vote and dispose or direct the disposition 
of all the shares referred to above, thus may be deemed to 
beneficially own a total of 2.5% shares of Class A Common Stock. 

The following constitutes Amendment No. 1 ("Amendment 
No. 1") to the Schedule 13D (the "Schedule 13D" or the 
"Statement") filed by the undersigned relating to the 
Ordinary Shares, with no par value (the "Ordinary Shares"), 
of magicJack VocalTec, Ltd., a company organized under the 
laws of the State of Israel (the "Issuer"). The principal 
executive office of the Issuer is located at 12 Beni Gaon Street, 
Building 2b Poleg Industrial Area, Netanya, Israel 42504. 
This Amendment No. 1 amends the Schedule 13D as 
specifically set forth herein. 

 
Item 5.     Interest in Securities of the Issuer
 
(a) The aggregate percentage of Shares reported owned by each 
person named herein is based on 16,115,383 Ordinary Shares 
outstanding shares of Class A Common Stock outstanding as of 
the date of this Amendment 1.  As of the close of business on 
the date hereof, Twinleaf Management, LLC, as the investment 
advisor to nine (9) discretionary client accounts, may be 
deemed to beneficially own the 409,241 shares of Class A  
Common Stock spread across the Client Accounts.  
Spencer Grimes, as the Managing Member of Twinleaf Management, 
LLC, may be deemed to beneficially own the 409,241 shares 
of magicJack Vocaltec Ltd's Class A Common Stock spread across 
the Client Accounts.
 
(b) The Reporting Persons possess the shared power to vote and to
direct the disposition of the securities held by the Reporting 
Persons.

(c) The Reporting Persons conducted the following transactions on 
the in the past sixty (60) days.  All of the following 
transactions were conducted on the open market and effectuated by 
Twinleaf Management, LLC for the benefit of the Client 
Accounts: 

Sale of Common Stock   11/9/17 -  186,231 shares at $8.37
Sale of Common Stock   12/21/17 - 229,797 shares at $8.45


(d) The Client Accounts of Twinleaf Management, LLC have the
right to receive or the power to direct the receipt of 
dividends from, or proceeds from the sale of, the Shares.  
No such client owns more than five percent (5%) of the Class A 
Common stock nor any other class of stock of the Issuer.

(e) On December 21, 2017, the Reporting Persons ceased to be the 
beneficial owners of five percent of the outstanding Ordinary 
Shares. 


 

                                    SIGNATURE

After reasonable inquiry and to the best of my knowledge
and belief, I certify that the information set forth in
this statement is true, complete and correct.


                          January 5, 2018

                    TWINLEAF MANAGEMENT, LLC

                    /s/ Spencer Grimes
                    ----------------------------------------
                    Spencer Grimes
		    Managing Member, Twinleaf Management, LLC



                    SPENCER GRIMES

                    /s/ Spencer Grimes
                    -----------------------------------------

 


Attention: Intentional misstatements or omissions of fact
constitute Federal criminal violations (See 18 U.S.C. 1001)