Exhibit
4.1

    


    Vision
Opportunity Master Fund Ltd.

    Vision
Capital Advantage Fund L.P.

    20 W 55th
St., 5th
Floor

    New York,
NY 10019

    


    
      
        	 
      	
                Dated
      as of November 29, 2010

              


      

    

    


    Anthony M
Servidio, CEO and Chairman

    Juma
Technology Corp.

    David
Giangano, President

    Nectar
Services Corp.

    154
Toledo St.

    Farmingdale,
NY 11735

    


    
      	
              Re:

            	
              Juma
      Technology Corp. (the “Company”) and
      Nectar Services Corp. (“Nectar”) with
      Vision Opportunity Master Fund Ltd. and Vision Capital Advantage Fund L.P.
      (each, a “Holder”)-Extension
      of Maturity Dates under Notes

            


    

    


    Dear
Anthony:

    


    This
confirms our recent conversations:

    


    Reference
is made to those certain convertible notes described below (collectively, the
“Notes”), which
were issued by the Company and Nectar, as Maker, to the specified entity, as
Holder. Capitalized terms used and not otherwise defined herein shall have the
meanings set forth for such terms in applicable Note.


    
      
         


      

      
        
        

        
          

        

      

      
         


      

    

    


    
      
        
          
            
              
                
                  
                    
                      
                        
                          
                            
                              
                                
                                  
                                    
                                      
                                        
                                          
                                            	
                                                    Note

                                                  	 	
                                                    Principal

                                                  	 	 	
                                                    Current Holder

                                                  	 	 	
                                                    Issue Date

                                                  	 	 	
                                                    The Current

                                                    Maturity Date

                                                  
	
                                                    Senior
      Secured 10% Convertible PromissoryReplacement Note

                                                  	 	$	463,122	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    11/29/2007

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    Senior
      Secured 10% Convertible Promissory Replacement Note

                                                  	 	$	136,878	 	 	
                                                    Vision
      Capital

                                                    Advantage
      Fund, LP

                                                  	 	 	
                                                    11/29/2007

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    Senior
      Secured 10% Convertible Promissory Note

                                                  	 	$	1,929,674	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    11/29/2007

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    Senior
      Secured 10% Convertible Promissory Note

                                                  	 	$	570,326	 	 	
                                                    Vision
      Capital

                                                    Advantage
      Fund, LP

                                                  	 	 	
                                                    11/29/2007

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    Senior
      Secured 10% Convertible Promissory Note

                                                  	 	$	1,119,211	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    3/7/2008

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    Senior
      Secured 10% Convertible Promissory Note

                                                  	 	$	330,789	 	 	
                                                    Vision
      Capital

                                                    Advantage
      Fund, LP

                                                  	 	 	
                                                    3/7/2008

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    Senior
      Secured 10% Convertible Promissory Note

                                                  	 	$	1,119,211	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    6/20/2008

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    Senior
      Secured 10% Convertible Promissory Note

                                                  	 	$	330,789	 	 	
                                                    Vision
      Capital

                                                    Advantage
      Fund, LP

                                                  	 	 	
                                                    6/20/2008

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    10%
      Convertible Bridge Note

                                                  	 	$	4,542,500	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    5/21/2009

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    10%
      Convertible Bridge Note

                                                  	 	$	1,036,280.53	 	 	
                                                    Vision
      Capital

                                                    Advantage
      Fund, LP

                                                  	 	 	
                                                    9/24/2009

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    10%
      Convertible Bridge Note

                                                  	 	$	500,000	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    12/23/2009

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    10%
      Convertible Bridge Note

                                                  	 	$	500,000	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    1/28/2010

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    10%
      Convertible Bridge Note

                                                  	 	$	500,000	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    2/25/2010

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    10%
      Convertible Bridge Note

                                                  	 	$	2,000,000	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    3/31/2010

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    10%
      Bridge Note

                                                  	 	$	500,000	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    6/25/2010

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    10%
      Bridge Note

                                                  	 	$	500,000	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    8/6/2010

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    10%
      Bridge Note

                                                  	 	$	500,000	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    9/29/2010

                                                  	 	 	
                                                    11/29/10

                                                  
	
                                                    10%
      Bridge Note

                                                  	 	$	500,000	 	 	
                                                    Vision
      Opportunity

                                                    Master
      Fund, Ltd.

                                                  	 	 	
                                                    11/12/2010

                                                  	 	 	
                                                    11/29/10

                                                  


                                          

                                        

                                      

                                    

                                  

                                

                              

                            

                          

                        

                      

                    

                  

                

              

            

          

        

      

    

    


    For good
and valuable consideration, the sufficiency and receipt of which is hereby
acknowledged, the Maker and Holder hereby extend the current Maturity Date of
November 29, 2010 set forth in each of the above-referenced Notes. To this end,
the last sentence of the second paragraph on the first page of each Note is
hereby deleted and in lieu thereof the following sentence is hereby
inserted:

    


    “The
outstanding principal balance and all accrued Interest (as defined herein) of
this Note shall be due and payable on the fifth day after demand therefor (the
“Maturity
Date”) or at such earlier time as provided herein.”

    


    [Signatures
are on the following page]

    

      
        
           


        

        
          
          

          
            

          

        

        
           


        

      

    

     

    Sincerely,

    


    
      
        	
                VISION
      OPPORTUNITY MASTER FUND, LTD.

              
	 
      
	
                By: 

              	
                   

              
	 
      	
                Name:

              
	 
      	
                Title:

              
	 
      
	
                VISION
      CAPITAL ADVANTAGE FUND, L.P.

              
	
                By:
      VCAF GP, LLC, its General Partner

              
	 
      
	
                By:

              	
                   

              
	 
      	
                Name:

              
	 
      	
                Title:

              
	 
      
	
                Read,
      consented and agreed to:

              
	 
      
	
                Juma
      Technology Corp.

              
	 
      
	
                By:

              	
                   

              
	 
      	
                Name

              
	 
      	
                Title:

              
	 
      
	
                Nectar
      Services Corp.

              
	 
      
	
                By:

              	
                   

              
	 
      	
                Name:

              
	 
      	
                Title: