Document:

Form of Warrant to purchase shares of the Company's Common Stock

 Exhibit 4.7 
  

THIS WARRANT HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR THE SECURITIES LAWS OF ANY STATE AND MAY NOT BE SOLD, TRANSFERRED
OR OTHERWISE DISPOSED OF EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT OR EXEMPTION FROM REGISTRATION UNDER THE FOREGOING LAWS. 
  
 SUBJECT TO THE PROVISIONS OF SECTION 10 HEREOF, THIS WARRANT SHALL BE VOID AFTER 5:00 P.M. EASTERN TIME ON SEPTEMBER 28, 2015 (the “EXPIRATION
DATE”). 
  
 No. 2005– 

 
 ARTISOFT, INC. 
  
 WARRANT TO PURCHASE [NUMBER OF] SHARES OF 
 COMMON STOCK, $0.01 PAR VALUE PER SHARE 
  
 FOR VALUE RECEIVED, [WARRANTHOLDER] (“Warrantholder”), is entitled to purchase, subject to the provisions of this Warrant, from Artisoft,
Inc., a Delaware corporation (“Company”), at any time not later than 5:00 P.M., Eastern time, on the Expiration Date, at an exercise price per share equal to $0.01 (the exercise price in effect being herein called the
“Warrant Price”), [NUMBER OF] shares (“Warrant Shares”) of Common Stock (as defined below). The number of Warrant Shares purchasable upon exercise of this Warrant and the Warrant Price shall be subject to adjustment
from time to time as described herein. As used herein, “Common Stock” means the common stock, $0.01 par value per share, of the Company, and any capital stock of any class of the Company hereafter authorized that shall not be entitled to a
fixed sum in respect of the rights of the holders thereof to participate in dividends or in the distribution of assets upon the voluntary or involuntary liquidation, dissolution or winding up of the Company. 
  
 Section 1. Registration. The Company shall maintain books for the
transfer and registration of the Warrant. Upon the initial issuance of the Warrant, the Company shall issue and register the Warrant in the name of the Warrantholder. 
  
 Section 2. Transfers. As provided herein, this Warrant may be transferred only pursuant to a registration
statement filed under the Securities Act of 1933, as amended (“Securities Act”), or an exemption from such registration. Subject to such restrictions, the Company shall transfer this Warrant from time to time upon the books to be
maintained by the Company for that purpose, upon surrender thereof for transfer properly endorsed or accompanied by appropriate instructions for transfer and such other documents as may be reasonably required by the Company to establish that such
transfer is being made in accordance with the terms hereof, and a new Warrant shall be issued to the transferee and the surrendered Warrant shall be canceled by the Company. 

 Section 3. Exercise of Warrant. Subject to the provisions hereof, the Warrantholder may
exercise this Warrant in whole or in part at any time upon surrender of the Warrant, together with delivery of the duly executed Warrant exercise form attached hereto as Appendix A (the “Exercise Agreement”) and payment by
cash, certified check or wire transfer of funds (or by cash-less exercise as provided below) for the Warrant Price for that number of Warrant Shares then being purchased, to the Company during normal business hours on any business day at the
Company’s principal executive offices (or such other office or agency of the Company as it may designate by notice to the holder hereof). The Warrant Shares so purchased shall be deemed to be issued to the holder hereof or such holder’s
designee, as the record owner of such shares, as of the close of business on the date on which this Warrant shall have been surrendered (or evidence of loss, theft or destruction thereof and security or indemnity satisfactory to the Company), the
Warrant Price shall have been paid, the completed Exercise Agreement shall have been delivered and, in the case of any transfer of Warrant Shares effected at the time of such exercise, an appropriately executed stock power and a certificate
containing such reasonable and appropriate customary representations as may be reasonably requested by the Company shall have been delivered to the Company. Certificates for the Warrant Shares so purchased, representing the aggregate number of
shares specified in the Exercise Agreement, shall be delivered to the holder hereof within a reasonable time, not exceeding three (3) business days, after this Warrant shall have been so exercised. The certificates so delivered shall be in such
denominations as may be requested by the holder hereof and shall be registered in the name of such holder or, subject to compliance with applicable law, such other name as shall be designated by such holder. If this Warrant shall have been exercised
only in part, then, unless this Warrant has expired, the Company shall, at its expense, at the time of delivery of such certificates, deliver to the holder a new Warrant representing the number of shares with respect to which this Warrant shall not
then have been exercised. 
  
 Each exercise hereof shall
constitute the re-affirmation by the Warrantholder that the representations and warranties contained in Section 4 of the 2004 Purchase Agreement (as defined below) are true and correct in all material respects with respect to the Warrantholder
as of the time of such exercise. 
  
 Upon the filing by the
Company of the Charter Amendment (as defined in that certain Stock Purchase Agreement, dated September 28, 2005, by and among the Company and certain investors), this Warrant shall be automatically exercised, without any further action on the
part of the Warrantholder, in a cashless exercise pursuant to Section 18 and the Company shall deliver to the Warrantholder the number of shares of Common Stock issuable pursuant to such cashless exercise. 
  
 Section 4. Compliance with the Securities Act of 1933. The
Company may cause the legend set forth on the first page of this Warrant to be set forth on each Warrant or similar legend on any security issued or issuable upon exercise of this Warrant, unless counsel for the Company is of the opinion as to any
such security that such legend is unnecessary. 
  
 Section 5.
Payment of Taxes. The Company will pay any documentary stamp taxes attributable to the initial issuance of Warrant Shares issuable upon the exercise of the Warrant; provided, however, that the Company shall not be required to pay any tax or
taxes which may be payable in respect of any transfer involved in the issuance or delivery of any certificates for 

 Warrant Shares in a name other than that of the registered holder of this Warrant in respect of which such shares are
issued, and in such case, the Company shall not be required to issue or deliver any certificate for Warrant Shares or any Warrant until the person requesting the same has paid to the Company the amount of such tax or has established to the
Company’s reasonable satisfaction that such tax has been paid. The holder shall be responsible for income and gift taxes due under federal, state or other law, if any such tax is due. 
  
 Section 6. Mutilated or Missing Warrants. In case this Warrant
shall be mutilated, lost, stolen, or destroyed, the Company shall issue in exchange and substitution of and upon cancellation of the mutilated Warrant, or in lieu of and substitution for the Warrant lost, stolen or destroyed, a new Warrant of like
tenor and for the purchase of a like number of Warrant Shares, but only upon receipt of evidence reasonably satisfactory to the Company of such loss, theft or destruction of the Warrant, and with respect to a lost, stolen or destroyed Warrant,
reasonable indemnity or bond with respect thereto, if requested by the Company. 
  
 Section 7. Reservation of Common Stock. The Company shall use its best efforts to, as soon as practicable, amend its Certificate of Incorporation to increase the number of shares of Common Stock authorized
but unissued sufficient to allow reservation of all shares required to be reserved under the Warrants, and the Company shall at all applicable times keep reserved until issued (if necessary) as contemplated by this Section 7, out of the
authorized and unissued Common Stock, sufficient shares to provide for the exercise of the rights of purchase represented by the Warrant in compliance with its terms. The Company agrees that all Warrant Shares issued upon exercise of the Warrant
shall be, at the time of delivery of the certificates for such Warrant Shares upon payment in full of the Exercise Price therefor in accordance with the terms of this Warrant, duly authorized, validly issued, fully paid and non-assessable shares of
Common Stock of the Company. 
  
 Section 8.
Adjustments. Subject and pursuant to the provisions of this Section 8, the Warrant Price and number of Warrant Shares subject to this Warrant shall be subject to adjustment from time to time as set forth hereinafter. 
  
 (a) If the Company shall at any time or from time to time while the Warrant
is outstanding, pay a dividend or make a distribution on its Common Stock in shares of Common Stock, subdivide its outstanding shares of Common Stock into a greater number of shares or combine its outstanding shares of Common Stock into a smaller
number of shares or issue by reclassification of its outstanding shares of Common Stock any shares of its capital stock (including any such reclassification in connection with a consolidation or merger in which the Company is the continuing
corporation), then the number of Warrant Shares purchasable upon exercise of the Warrant and the Warrant Price in effect immediately prior to the date upon which such change shall become effective, shall be adjusted by the Company so that the
Warrantholder thereafter exercising the Warrant shall be entitled to receive the number of shares of Common Stock or other capital stock which the Warrantholder would have received if the Warrant had been exercised immediately prior to such event
upon payment of a Warrant Price that has been adjusted to reflect a fair allocation of the economics of such event to the Warrantholder. Such adjustments shall be made successively whenever any event listed above shall occur. 

 (b) If any capital reorganization, reclassification of the capital stock of the Company, consolidation or
merger of the Company with another corporation in which the Company is not the survivor, or sale, transfer or other disposition of all or substantially all of the Company’s assets to another corporation shall be effected, then, as a condition
of such reorganization, reclassification, consolidation, merger, sale, transfer or other disposition, lawful and adequate provision shall be made whereby each Warrantholder shall thereafter have the right to purchase and receive upon the basis and
upon the terms and conditions herein specified and in lieu of the Warrant Shares immediately theretofore issuable upon exercise of the Warrant, such shares of stock, securities or assets as would have been issuable or payable with respect to or in
exchange for a number of Warrant Shares equal to the number of Warrant Shares immediately theretofore issuable upon exercise of the Warrant, had such reorganization, reclassification, consolidation, merger, sale, transfer or other disposition not
taken place, and in any such case appropriate provision shall be made with respect to the rights and interests of each Warrantholder to the end that the provisions hereof (including, without limitation, provision for adjustment of the Warrant Price)
shall thereafter be applicable, as nearly equivalent as may be practicable in relation to any shares of stock, securities or properties thereafter deliverable upon the exercise thereof. The Company shall not effect any such consolidation, merger,
sale, transfer or other disposition without the consent of the Warrantholder unless prior to or simultaneously with the consummation thereof the successor corporation (if other than the Company) resulting from such consolidation or merger, or the
corporation purchasing or otherwise acquiring such assets or other appropriate corporation or entity shall assume the obligation to deliver to the holder of the Warrant such shares of stock, securities or assets as, in accordance with the foregoing
provisions, such holder may be entitled to purchase, and the other obligations under this Warrant. The provisions of this paragraph (b) shall similarly apply to successive reorganizations, reclassifications, consolidations, mergers, sales,
transfers or other dispositions. 
  
 (c) In case the Company shall
fix a payment date for the making of a distribution to all holders of Common Stock (including any such distribution made in connection with a consolidation or merger in which the Company is the continuing corporation) of evidences of indebtedness or
assets (other than cash dividends or cash distributions payable out of consolidated earnings or earned surplus or dividends or distributions referred to in Section 8(a)), or subscription rights or warrants, the Warrant Price to be in effect
after such payment date shall be determined by multiplying the Warrant Price in effect immediately prior to such payment date by a fraction, the numerator of which shall be the total number of shares of Common Stock outstanding multiplied by the
Market Price per share of Common Stock (as defined below), less the fair market value (as determined by the Company’s Board of Directors in good faith) of said assets or evidences of indebtedness so distributed, or of such subscription rights
or warrants, and the denominator of which shall be the total number of shares of Common Stock outstanding multiplied by such Market Price per share of Common Stock. “Market Price” as of a particular date (the “Valuation
Date”) shall mean the following: (a) if the Common Stock is then listed on a national stock exchange, the closing sale price of one share of Common Stock on such exchange on the last trading day prior to the Valuation Date; (b) if
the Common Stock is then quoted on Nasdaq, the closing sale price of one share of Common Stock on Nasdaq on the last trading day prior to the Valuation Date or, if no such closing sale price is available, the average of the high bid and the low
sales price quoted on Nasdaq on the last trading day prior to the Valuation Date; or (c) if the Common Stock is not then listed on a national stock exchange or quoted on Nasdaq, the Fair Market Value of one share of Common Stock as of the
Valuation Date, shall be 

 determined in good faith by the Board of Directors of the Company and the Warrantholder. The Board of Directors of the
Company shall respond promptly, in writing, to an inquiry by the Warrantholder prior to the exercise hereunder as to the Market Value of a share of Common Stock as determined by the Board of Directors of the Company. In the event that the Board of
Directors of the Company and the Warrantholder are unable to agree upon the Market Value in respect of subpart (c) hereof, the Company and the Warrantholder shall jointly select an appraiser, who is experienced in such matters. The decision of
such appraiser shall be final and conclusive, and the cost of such appraiser shall be borne evenly by the Company and the Warrantholder. Such adjustment shall be made successively whenever such a payment date is fixed. 
  
 (d) For the term of this Warrant, in addition to the provisions contained
above, the Warrant Price shall be subject to adjustment as provided below. An adjustment to the Warrant Price shall become effective immediately after the payment date in the case of each dividend or distribution and immediately after the effective
date of each other event which requires an adjustment. 
  
 (e) In
the event that, as a result of an adjustment made pursuant to this Section 8, the holder of this Warrant shall become entitled to receive any shares of capital stock of the Company other than shares of Common Stock, the number of such other
shares so receivable upon exercise of this Warrant shall be subject thereafter to adjustment from time to time in a manner and on terms as nearly equivalent as practicable to the provisions with respect to the Warrant Shares contained in this
Warrant. 
  
 Section 9. Fractional Interest. The
Company shall not be required to issue fractions of Warrant Shares upon the exercise of the Warrant. If any fractional share of Common Stock would, except for the provisions of the first sentence of this Section 9, be delivered upon such
exercise, the Company, in lieu of delivering such fractional share, shall pay to the exercising holder of this Warrant an amount in cash equal to the current Fair Market Value of such fractional share of Common Stock. As used in this Warrant,
“Fair Market Value” of a share of Common Stock as of the Valuation Date shall mean the following: (a) if the Common Stock is then listed on a national stock exchange, the closing sale price of one share of Common Stock
on such exchange on the last trading day prior to the Valuation Date; (b) if the Common Stock is then quoted on Nasdaq, the closing sale price of one share of Common Stock on Nasdaq on the last trading day prior to the Valuation Date or, if no
such closing sale price is available, the average of the high bid and the low sales price quoted on Nasdaq on the last trading day prior to the Valuation Date; or (c) if the Common Stock is not then listed on a national stock exchange or quoted
on Nasdaq, the Fair Market Value of one share of Common Stock as of the Valuation Date, shall be determined in good faith by the Board of Directors of the Company and the Warrantholder. The Board of Directors of the Company shall respond promptly,
in writing, to an inquiry by the Warrantholder prior to the exercise hereunder as to the Fair Market Value of a share of Common Stock as determined by the Board of Directors of the Company. In the event that the Board of Directors of the Company and
the Warrantholder are unable to agree upon the Fair Market Value in respect of subpart (c) hereof, the Company and the Warrantholder shall jointly select an appraiser, who is experienced in such matters. The decision of such appraiser shall be
final and conclusive, and the cost of such appraiser shall be borne evenly by the Company and the Warrantholder. 

 Section 10. Extension of Expiration Date. 
  
 (a) If the Company is required to file a Registration Statement covering
Warrant Shares pursuant to Section 3 of the 2004 Purchase Agreement and either (i) the Company fails to cause such Registration Statement to be declared effective prior to the Effectiveness Deadline set forth in the Agreement or
(ii) if any of the events specified in clause (B) of Section 3.1.10(d) of the Stock Purchase Agreement, of September 28, 2004, among the Company and the investors named therein (the “2004 Purchase Agreement”)
occurs and the Registration Default (as defined in the Purchase Agreement), whether alone, or in combination with any other Blackout Period, continues for more than 60 days in any 12 month period, or for more than a total of 90 days, then the
Expiration Date of this Warrant shall be extended one day for each day beyond the Effectiveness Deadline or the 60-day or 90-day limits, as the case may be, that the Registration Default continues. 
  
 (b) If, pursuant to Section 4(c) of that certain Consent, Waiver and
Release Agreement dated as of September 28, 2005, the Company pays liquidated damages pursuant to Section 3.10(d) pursuant to the 2004 Purchase Agreement for the period from April 1, 2005 through and including August 31, 2005,
then upon payment thereof, this Warrant shall expire and be of no further force or effect. 
  
 Section 11. Benefits. Nothing in this Warrant shall be construed to give any person, firm or corporation (other than the Company and the Warrantholder) any legal or equitable right, remedy or claim, it
being agreed that this Warrant shall be for the sole and exclusive benefit of the Company and the Warrantholder. 
  
 Section 12. Notices to Warrantholder. Upon the happening of any event requiring an adjustment of the Warrant Price, the Company shall promptly
give written notice thereof to the Warrantholder at the address appearing in the records of the Company, stating the adjusted Warrant Price and the adjusted number of Warrant Shares resulting from such event and setting forth in reasonable detail
the method of calculation and the facts upon which such calculation is based. Failure to give such notice to the Warrantholder or any defect therein shall not affect the legality or validity of the subject adjustment. 
  
 Section 13. Identity of Transfer Agent. The Transfer Agent for
the Common Stock is ComputerShare Investor Services. Upon the appointment of any subsequent transfer agent for the Common Stock or other shares of the Company’s capital stock issuable upon the exercise of the rights of purchase represented by
the Warrant, the Company will mail to the Warrantholder a statement setting forth the name and address of such transfer agent. 
  
 Section 14. Notices. Unless otherwise provided, any notice required or permitted under this Warrant shall be given in writing and shall be
deemed effectively given as hereinafter described (i) if given by personal delivery, then such notice shall be deemed given upon such delivery, (ii) if given by telex or telecopier, then such notice shall be deemed given upon receipt of
confirmation of complete transmittal, (iii) if given by mail, then such notice shall be deemed given upon the earlier of (A) receipt of such notice by the recipient or (B) three days after such notice is deposited in first class mail,
postage prepaid, and (iv) if given by an internationally recognized overnight air courier, then such notice shall be deemed given one day after delivery 

 to such carrier. All notices shall be addressed as follows: (i) if to the Warrantholder, at its address as set forth
in the Company’s books and records and, if to the Company, at the address as follows, or at such other address as the Warrantholder or the Company may designate by ten days’ advance written notice to the other: 
  
 If to the Company: 
  
 Artisoft, Inc. 
 5 Cambridge Center 
 Cambridge,
Massachusetts 02142 
 Attn: President 
 Fax: (617) 354-3564 
  
 With a copy to: 

 
 Andrews Kurth LLP 
 1717 Main Street, Suite 3700 
 Dallas, Texas
75201 
 Attn: Victor B. Zanetti 
 Fax: (214) 659-4400 
  
 Section 15.
Registration Rights. The initial holder of this Warrant may be entitled to the benefit of certain registration rights in respect of the Warrant Shares as provided in the 2004 Purchase Agreement, and any subsequent holder hereof may be
entitled to such rights. 
  
 Section 16. Successors.
All the covenants and provisions hereof by or for the benefit of the Warrantholder shall bind and inure to the benefit of its respective successors and assigns hereunder. 
  
 Section 17. Governing Law. This Warrant shall be governed by, and construed in accordance with, the laws of the
State of New York. 
  
 Section 18. Cashless Exercise.

  
 Net Issue Election. Notwithstanding any other provision
contained herein to the contrary, if the Warrant Shares may not be freely sold to the public for any reason (including, but not limited to, the failure of the Company to have effected the registration of the Warrant Shares or to have a current
prospectus available for delivery or otherwise, but excluding the inability of the Warrantholder to sell the Warrant Shares due to market conditions), the Warrantholder may elect to receive, without the payment by the Warrantholder of the aggregate
Warrant Price in respect of the shares of Common Stock to be acquired, shares of Common Stock equal to the value of this Warrant or any portion hereof by the surrender of this Warrant (or such portion of this Warrant being so exercised) together
with the Net Issue Election Notice annexed hereto as Appendix B duly executed, at the office of the Company. Thereupon, the Company shall issue to the Warrantholder such number of fully paid, validly issued and nonassessable shares of Common
Stock as is computed using the following formula: 
  

			
	          X =	  	Y (A - B)
	 	  	      A

  
 where 
  

			
	X =	  	the number of shares of Common Stock which the Warrantholder has then requested be issued to the Warrantholder;

			
	Y =	  	the total number of shares of Common Stock covered by this Warrant which the Warrantholder has surrendered at such time for cash-less exercise (including both shares to be issued to the
Warrantholder and shares to be canceled as payment therefor);
		
	A =	  	$1.1386; and
		
	B =	  	the Warrant Price in effect under this Warrant at the time the net issue election is made.

  
 Section 19. No
Rights as Stockholder. Prior to the exercise of this Warrant, the Warrantholder shall not have or exercise any rights as a stockholder of the Company by virtue of its ownership of this Warrant. 
  
 Section 20. Amendment; Waiver. Any term of this Warrant may be
amended or waived (including the adjustment provisions included in Section 8 of this Warrant) upon the written consent of the Company and the Warrantholder. 
  
 Section 21. Section Headings. The section heading in this Warrant are for the convenience of the Company
and the Warrantholder and in no way alter, modify, amend, limit or restrict the provisions hereof. 

 IN WITNESS WHEREOF, Artisoft, Inc. has caused this Warrant to be duly executed, as of the 28th day of
September, 2005. 
  

			
	ARTISOFT, INC.
		
	By:	 	 /s/ DUNCAN G. PERRY

	Name:	 	Duncan G. Perry
	Title:	 	Chief Financial Officer

 APPENDIX A 
  

WARRANT EXERCISE FORM 
  

	To:	Artisoft, Inc. 

  
 The undersigned hereby irrevocably elects to exercise the right of purchase represented by the within Warrant (“Warrant”) for, and to purchase
thereunder by the payment of the Warrant Price and surrender of the Warrant,              shares of Common Stock (“Warrant Shares”) provided for therein, and requests that
certificates for the Warrant Shares be issued as follows: 
  

	
	  

	
	  

	Address
	  

	  

	Federal Tax ID or Social Security No.

  

			
	and delivered by	  	[ ] certified mail to the above address, or
	 	  	[ ] electronically (provide DWAC Instructions:                     ),
or
	 	  	[ ] other (specify:
                                        
                                        
        ).

  
 and, if the number of Warrant Shares
shall not be all the Warrant Shares purchasable upon exercise of the Warrant, that a new Warrant for the balance of the Warrant Shares purchasable upon exercise of this Warrant be registered in the name of the undersigned Warrantholder or the
undersigned’s Assignee as below indicated and delivered to the address stated below. 
  
 By exercising the rights represented by this Warrant, the undersigned hereby certifies that, as of the date of exercise of this Warrant, the representations and warranties contained in Section 4 of the Agreement
are true and correct in all material respects with respect to the undersigned. 
  

									
	Dated:	 	                    ,         	 	 	 	Signature:	 	  

  

			
	Note: The signature must correspond with the name of the registered holder as written on the first page of the Warrant in every particular, without alteration or enlargement or any
change whatever, unless the Warrant has been assigned.	 	  

	 	Name (please print)
	 	  

	 	  

	 	Address
		
	 	 	  

	 	 	 Federal Identification or
 Social Security
No.

		
	 	 	Assignee:
		
	 	 	  

	 	 	  

	 	 	  

 APPENDIX B 
  

Net Issue Election Notice 
  

	To:	Artisoft, Inc. 

  
 Date:
                             
  
 The undersigned hereby elects under Section 18 of this Warrant to surrender the right to purchase
             shares of Common Stock pursuant to this Warrant and hereby requests the issuance of             
shares of Common Stock. The certificate(s) for the shares issuable upon such net issue election shall be issued in the name of the undersigned or as otherwise indicated below. 
  

	
	  

	Signature
	  

	Name for Registration
	  

	Mailing Address

 Schedule of Warrant Holders 
  

			
	 Warrant Holder Name        

	  	     Number of Shares    

	 MC Venture Partners V, L.P.
	  	836,318
	 MC Venture Investors, LLC
	  	15,579
	 Chestnut Venture Partners, L.P.
	  	34,156
	 Special Situations Fund III, L.P.
	  	118,161
	 Special Situations Cayman Fund, L.P.
	  	38,254
	 Special Situations Private Equity Fund, L.P.
	  	36,978
	 Special Situations Technology Fund, L.P.
	  	3,188
	 Special Situations Technology Fund II, L.P.
	  	15,939
	 Pathfinder Ventures II, L.L.C.
	  	73,142
	 Constable Capital L.L.C.*
	  	4,696
	 Constable Capital QP L.L.C.*
	  	4,164
	 Household Investment Funding, Inc.
	  	22,151
	 Daniel & Linda Ahlberg
	  	1,269
	 Alice Ann Corporation
	  	1,269
	 Robert G. Allison
	  	1,269
	 David C. and Carole O. Brown
	  	1,015
	 Robert H. Clayburgh
	  	1,269
	 Bradley A. Erickson
	  	1,015
	 Michael E. McElligott
	  	948
	 Alan R. Reckner
	  	1,015
	 Manuel A. Villafana
	  	1,269
	 Janet M. Voight
	  	1,193
	 James B. Wallace
	  	1,193
	 Dennis D. Gonyea
	  	1,269
	 Daniel & Patrice Perkins
	  	888
	 James G. Peters
	  	457
	 David H. Potter
	  	609
	
	  	 
	 *  To be distributed to the transferees of this StockholderVoting Agreement, dated September 28, 2005

 Exhibit 4.8 
  
 VOTING AGREEMENT 
  
 VOTING AGREEMENT, dated as of September 28, 2005 (the “Agreement”), by and between Artisoft, Inc., a Delaware corporation (the
“Company”), and                              (the “Stockholder”).

  
 W I T N E S
S E T H 
  
 WHEREAS,
contemporaneously with the execution and delivery of this Agreement, the Company is entering into a Stock Purchase Agreement, dated as of the date hereof (as such agreement may hereafter be amended from time to time, the “Purchase
Agreement”), with the investors named therein (the “Investors”) which provides for, upon the terms and subject to the conditions set forth therein, the issuance and sale of the Company’s common stock (the
“Securities”); and 
  
 WHEREAS, pursuant to the
Purchase Agreement, the Company has agreed to call a special meeting of its stockholders for the purpose of seeking approval of the Company’s stockholders to amend its Certificate of Incorporation as provided in Section 3.5 of the Purchase
Agreement (the “Proposal”); 
  
 WHEREAS, as of
the date hereof, the Stockholder owns beneficially the number of shares of Common Stock set forth opposite the Stockholder’s name on Schedule I hereto (all such shares so owned and which may hereafter be acquired by such Stockholder
prior to the termination of this Agreement, whether upon the exercise of options, conversion of convertible securities, exercise of warrants or by means of purchase, dividend, distribution or otherwise, being referred to herein as the
Stockholder’s “Shares”); 
  
 WHEREAS, as a
condition to the Investors’ willingness to enter into the Purchase Agreement and to acquire the Securities, the Investors have required the Stockholder to enter into this Agreement; and 
  
 WHEREAS, in order to induce the Investors to enter into the Purchase
Agreement and to acquire the Securities, the Stockholder is willing to enter into this Agreement. 
  
 NOW, THEREFORE, in consideration of the foregoing and the mutual covenants and agreements herein contained, and intending to be legally bound hereby, the
Company and the Stockholder hereby agree as follows: 
  
 ARTICLE I.

  
 VOTING OF SHARES; AND OTHER COVENANTS OF THE STOCKHOLDER

  
 SECTION 1.1. Voting of Shares. From the date hereof
until termination of this Agreement pursuant to Section 3.2 hereof (the “Term”), at any meeting of the stockholders of the Company, however called and at any adjournment or postponement thereof, and in any action by consent of
the stockholders of the Company, the Stockholder shall (A) appear at such meeting or otherwise cause its Shares to be counted as present thereat for purposes of establishing a quorum and (B) vote (or cause to be voted) its Shares in favor
of the Proposal and such other matters as may be necessary or advisable to consummate the transactions contemplated by the Purchase Agreement. 

 SECTION 1.2. No Inconsistent Arrangements. Except as contemplated by this Agreement, the
Stockholder shall not during the Term (i) grant any proxy, power-of-attorney or other authorization in or with respect to such Shares which is inconsistent with the terms hereof, (ii) deposit such Shares into a voting trust or enter into a
voting agreement or arrangement with respect to such Shares, or (iii) take any other action that would in any way restrict, limit or interfere with the performance of its obligations hereunder or the transactions contemplated hereby or by the
Purchase Agreement. 
  
 SECTION 1.3. Disclosure. The
Stockholder hereby authorizes the Company to publish and disclose in the Proxy Statement (including all documents and schedules filed with the SEC), its identity and ownership of the Shares and the nature of its commitments, arrangements and
understandings under this Agreement. 
  
 ARTICLE II. 
  
 REPRESENTATIONS AND WARRANTIES OF THE STOCKHOLDER 
  
 The Stockholder hereby represents and warrants as follows: 
  
 SECTION 2.1. Due Authorization, etc. The Stockholder has all
requisite power and authority to execute, deliver and perform this Agreement and to consummate the transactions contemplated hereby all of which have been duly authorized by all action necessary on the part of the Stockholder. The execution,
delivery and performance of this Agreement and the consummation of the transactions contemplated hereby have been duly authorized by all necessary action on the part of Stockholder. This Agreement has been duly executed and delivered by or on behalf
of the Stockholder and constitutes a legal, valid and binding obligation of the Stockholder, enforceable against the Stockholder in accordance with its terms, except as enforcement may be limited by bankruptcy, insolvency, moratorium or other
similar laws and except that the availability of equitable remedies, including specific performance, is subject to the discretion of the court before which any proceeding for such remedy may be brought. 
  
 SECTION 2.2. Required Filings and Consents. The execution and delivery
of this Agreement by the Stockholder does not, and the performance of this Agreement by the Stockholder will not, require any consent, approval, authorization or permit of, or filing with or notification to, any governmental or regulatory authority
(other than any necessary filing under the Exchange Act), domestic or foreign, except where the failure to obtain such consents, approvals, authorizations or permits, or to make such filings or notifications, would not prevent or delay the
performance by the Stockholder of the Stockholder’s obligations under this Agreement. 
  
 SECTION 2.3. Ownership of Shares. The Stockholder is the record and beneficial owner of the Shares set forth opposite its name on Schedule I hereto. On the date hereof, such Shares constitute all of the
Shares owned of record or beneficially by such Stockholder. 
  

 -2- 

 ARTICLE III. 
  
 MISCELLANEOUS 
  
 SECTION 3.1. Definitions. Terms used but not otherwise defined in this Agreement have the meanings ascribed to such terms in the Purchase
Agreement. 
  
 SECTION 3.2. Termination. This Agreement
shall terminate and be of no further force and effect (i) by the written mutual consent of the parties hereto and the Investors acquiring a majority of the Securities issued pursuant to the Purchase Agreement (the “Majority
Investors”), (ii) upon the approval of the Proposal by the Company’s stockholders at a meeting duly called and held for such purpose at which a quorum was present and acting throughout, or (iii) automatically and without any
required action of the parties hereto upon termination of the Purchase Agreement in accordance with its terms. No such termination of this Agreement shall relieve any party hereto from any liability for any breach of this Agreement prior to
termination. 
  
 SECTION 3.3. Further Assurance. From time
to time, at another party’s request or at the request of the Majority Investors and without consideration, each party hereto shall execute and deliver such additional documents and take all such further action as may be necessary or desirable
to consummate and make effective, in the most expeditious manner practicable, the transactions contemplated by this Agreement. 
  
 SECTION 3.4. No Waiver. The failure of any party hereto to exercise any right, power or remedy provided under this agreement or otherwise available
in respect hereof at law or in equity, or to insist upon compliance by any other party hereto with its obligations hereunder, or any custom or practice of the parties at variance with the terms hereof shall not constitute a waiver by such party of
its right to exercise any such or other right, power or remedy or to demand such compliance. 
  
 SECTION 3.5. Specific Performance. The Stockholder acknowledges that if the Stockholder fails to perform any of its obligations under this Agreement, immediate and irreparable harm or injury would be caused to
the Company and the Investors for which money damages would not be an adequate remedy. In such event, the Stockholder agrees that the Company and each Investor shall have the right, in addition to any other rights it may have, to specific
performance of this Agreement. Accordingly, should the Company or any Investor institute an action or proceeding seeking specific enforcement of the provisions hereof, the Stockholder hereby waives the claim or defense that the Company or such
Investor has an adequate remedy at law and hereby agrees not to assert in any such action or proceeding the claim or defense that such a remedy at law exists. 
  

SECTION 3.6. Notice. All notices and other communications given or made pursuant hereto shall be in writing and shall be deemed to have been
duly given or made (i) as of the date delivered or sent by facsimile if delivered personally or by facsimile, and (ii) on the third business day after deposit in the U.S. mail, if mailed by registered or certified mail (postage prepaid,
return receipt requested), in each case to the parties at the following addresses (or at such other address for a party as shall be specified by like notice, except that notices of changes of address shall be effective upon receipt): 
  
 (a) If to the Company: 
  
 Artisoft, Inc. 
 5 Cambridge Center 
 Cambridge, MA 02142

 Attn: Chief Executive Officer [Name and Address] 
  

 -3- 

 With a copy to: 
  
 Andrews Kurth LLP 
 1717 Main Street, Suite 3700 
 Dallas, TX 75201 
 Attn: Victor B. Zanetti, Esq. 
  
 (b) If to the Stockholder, at the address set forth below the Stockholder’s name on Schedule I hereto. 
  
 SECTION 3.7. Expenses. All fees, costs and expenses incurred in connection with this Agreement and the transactions contemplated hereby shall be
paid by the Company, including, without limitation, the fees, costs and expenses incurred by the Stockholder. 
  
 SECTION 3.8. Headings. The headings contained in this Agreement are for reference purposes only and shall not affect in any way the meaning or
interpretation of this Agreement. 
  
 SECTION 3.9.
Severability. If any term or other provision of this Agreement is invalid, illegal or incapable of being enforced by any rule of law or public policy, all other conditions and provisions of this Agreement shall nevertheless remain in full
force and effect so long as the economic or legal substance of the transactions contemplated hereby is not affected in any manner adverse to any party. Upon such determination that any term or other provision is invalid, illegal or incapable of
being enforced, the parties hereto shall negotiate in good faith to modify this Agreement so as to effect the original intent of the parties as closely as possible in an acceptable manner to the end that transactions contemplated hereby are
fulfilled to the maximum extent possible. 
  
 SECTION 3.10.
Entire Agreement; Third-Party Beneficiaries. This Agreement constitutes the entire agreement and supersedes any and all other prior agreements and undertakings, both written and oral, among the parties, or any of them, with respect to the
subject matter hereof, and this Agreement is not intended to confer upon any other person any rights or remedies hereunder, other than the Investors each of whom shall be deemed to be an express third-party beneficiary of this Agreement and each of
whom may enforce this Agreement against the parties hereto as if such Investor was a party hereto. 
  
 SECTION 3.11. Assignment. Neither this Agreement nor any of the rights, interests or obligations under this Agreement shall be assigned, in whole
or in part, by operation of law or otherwise. 
  

 -4- 

 SECTION 3.12. Governing Law; Consent to Jurisdiction; Waiver of Jury Trial. This Agreement shall
be governed by, and construed in accordance with, the internal laws of the State of New York without regard to the choice of law principles thereof. Each of the parties hereto irrevocably submits to the exclusive jurisdiction of the courts of the
State of New York located in New York County and the United States District Court for the Southern District of New York for the purpose of any suit, action, proceeding or judgment relating to or arising out of this Agreement and the transactions
contemplated hereby. Service of process in connection with any such suit, action or proceeding may be served on each party hereto anywhere in the world by the same methods as are specified for the giving of notices under this Agreement. Each of the
parties hereto irrevocably consents to the jurisdiction of any such court in any such suit, action or proceeding and to the laying of venue in such court. Each party hereto irrevocably waives any objection to the laying of venue of any such suit,
action or proceeding brought in such courts and irrevocably waives any claim that any such suit, action or proceeding brought in any such court has been brought in an inconvenient forum. EACH OF THE PARTIES HERETO WAIVES ANY RIGHT TO REQUEST A
TRIAL BY JURY IN ANY LITIGATION WITH RESPECT TO THIS AGREEMENT AND REPRESENTS THAT COUNSEL HAS BEEN CONSULTED SPECIFICALLY AS TO THIS WAIVER. 
  
 SECTION 3.13. Amendment. This Agreement may not be amended except by an instrument in writing signed on behalf of the Company, the Stockholder and
the Majority Investors. 
  
 SECTION 3.14. Waiver. No party
hereto may (a) extend the time for the performance of any of the obligations or other acts of the other parties hereto, (b) waive any inaccuracies in the representations and warranties of the other parties hereto contained herein or in any
document delivered pursuant hereto and (c) waive compliance by the other parties hereto with any of their agreements or conditions contained herein without the express prior written consent of the Majority Investors. Any agreement on the part
of a party hereto to any such extension or waiver shall be valid only as against such party and only if set forth in an instrument in writing signed by such party. The failure of any party hereto to assert any of its rights under this Agreement or
otherwise shall not constitute a waiver of those rights. 
  
 SECTION 3.15. Descriptive Headings; Interpretation. The descriptive headings herein are inserted for convenience of reference only and are not intended to be part of or to affect the meaning or interpretation of this Agreement.

  
 SECTION 3.16. Counterparts. This Agreement may be
executed (including by facsimile transmission) in one or more counterparts, and by the different parties hereto in separate counterparts, each of which when executed shall be deemed to be an original but all of which shall constitute one and the
same agreement. 
  
 [REMAINDER OF THIS PAGE INTENTIONALLY LEFT
BLANK] 
  

 -5- 

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed as of the date first
written above. 
  

			
	ARTISOFT, INC.
		
	By:	 	 /s/ DUNCAN G. PERRY

	Name:	 	Duncan G. Perry
	Title:	 	Chief Financial Officer
	
	STOCKHOLDER
		
	By:	 	  

	Name:	 	 
	Title:	 	 

 Schedule I 
  

			
	 Name and Address of Stockholder

	 	 Number of Shares Beneficially Owned

 Schedule of Stockholders to Voting Agreement 
  
 M/C Venture Partners V, LP 
 M/C Venture Investors, LLC 
 Chestnut Venture Partners, L.P. 
  
 Special Situations Fund III, L.P. 
 Special
Situations Cayman Fund, L.P. 
 Special Situations Private Equity Fund, L.P. 
 Special Situations Technology Fund, L.P. 
 Special Situations Technology Fund II, L.P. 
  
 Pathfinder Ventures III, L.L.C. 
  
 Coral’s Momentum Fund, Limited Partnership

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