Exhibit 10.8


 





INVENTERGY GLOBAL INC.


 


December 29, 2017


 


TCA Global Credit Master Fund, LP


3960 Howard
Hughes Parkway, Suite 500


Las Vegas, NV 89169


Attention: Robert Press


 


Re.Post-Closing Side Letter


 


Reference
is hereby made to that certain Securities Purchase Agreement, dated of even date herewith (the “Purchase Agreement”),
by and among Inventergy Global, Inc. (the “Company”) and TCA Global Credit
Master Fund LP (“TCA”), among others.


 


As of the
date hereof, certain documents and other conditions precedent necessary to close and fund the amounts contemplated by the Purchase
Agreement have not yet been received. As a courtesy to the Company, TCA has agreed to close and fund, notwithstanding the absence
of the delivery of such documents and conditions precedent, provided, however, that the below-listed documents and
conditions precedent are delivered to TCA and/or its counsel following the date hereof.


 


The Company
hereby agrees to provide the following documents to TCA and/or its counsel on or before the respective dates for each, as noted
below, all of which must be acceptable to the TCA and its counsel, in their sole and absolute discretion. The Company agrees
that failure of the Company to provide the below-listed items, or any one of them, on or before the respective dates listed, shall
constitute an immediate Event of Default under and pursuant to the terms of the Purchase Agreement.


 





	Post-Closing Item Description	 	Date Due
	 	 	 
	
        The Company shall deliver to TCA,
and shall cause all of its subsidiary entities to deliver, any and all original signatures not delivered on the date hereof, as
requested by TCA in its sole and absolute discretion. 
	 	January 8, 2018
	 	 	 
	
        The Company shall deliver to TCA, and shall
        cause all of its subsidiary entities and banks to deliver, copies of duly executed deposit account control agreements, as requested
        by TCA in its sole and absolute discretion.

        
	 	January 8, 2018
	 	 	 
	
        The Company shall deliver to TCA a legal opinion acceptable
        to TCA in its sole and absolute discretion.

        
	 	January 8, 2018
	 	 	 



 






     


     


    







 


	The Company shall deliver to TCA original stock certificates representing all of the shares (or original membership unit certificates representing all of the membership units, as applicable) which have been pledged to TCA in connection with the Purchase Agreement.	 	January 8, 2018
	 	 	 
	The Company shall cause its transfer agent to execute and deliver the Transfer Agent Instruction Letter.	 	January 8, 2018
	 	 	 
	Re-execute and notarize such documents as hereafter requested by TCA.	 	January 8, 2018










 





[signature page follows]







 









     

     


    

 





By its execution hereof, the
undersigned hereby agrees to the terms and conditions of this letter agreement.







 


	 	Very truly yours,




	 	 
	 	INVENTERGY GLOBAL, INC.
	 	 	 
	 	By: 	/s/ Joseph Beyers
	 	Name:	Joseph Beyers
	 	Title: 	Chief Executive Officer


 







     

     


    

 






ACCEPTED AND AGREED:


 


TCA GLOBAL CREDIT MASTER FUND, LP


 


 


	By:	TCA Global Credit
Fund GP, Ltd.,	 
	 	Its: General Partner



	 
	 	 	 
	 	 	 
	By: 	/s/ Robert Press	 
	Name:	Robert Press	 
	Title: 	Director