**EXHIBIT10.158****INTELLECTUALPROPERTY ASSIGNMENT**     This Intellectual Property Assignment Agreement (this “Assignment”) is made and entered intothis 26TH day of March, 2007 by and among Paradyne Networks, Inc., a Delawarecorporation (“Seller”) and Paradyne Corporation, a Delaware corporation (“Paradyne Corp”) andtogether with Seller, (“Paradyne”) and Verso Technologies, Inc., a Minnesota corporation (“Buyer”).**RECITALS**     WHEREAS, Paradyne Corp is a wholly owned subsidiary of Seller and is the owner of recordof the Transferred IP set forth in Schedules A and B.     WHEREAS, Seller and Buyer have entered into that certain Asset Purchase Agreement, dated as ofDecember 29, 2006 (the “Agreement”); and     WHEREAS, under the terms of the Agreement, Seller has agreed to, among other things, assignto Buyer all of its right, title and interest in, to and under the Transferred IP (as defined inthe Agreement) set forth in Schedules A and B.**ASSIGNMENT**     NOW, THEREFORE, for good and valuable consideration, the receipt and adequacy of whichare hereby acknowledged, Paradyne does hereby transfer, sell, assign, convey and deliver to Buyerall right, title and interest of Paradyne in, to and under the Transferred LP set forth onSchedules A and B and all good will of the Business (as such term is defined in the Agreement)associated therewith. Paradyne hereby covenants and agrees, that from time to time forthwith uponthe reasonable written request of Buyer, Paradyne will, at Buyer’s cost and expense, do, execute,acknowledge and deliver or cause to be done, executed, acknowledged and delivered, each and all ofsuch further acts, deeds, assignments, transfers, conveyances and assurances as may reasonably berequired by Buyer in order to transfer, assign, convey and deliver unto and vest in Buyer title toall right, title and interest of Paradyne in, to and under the Transferred IP.     This Assignment is subject in all respects to the terms and conditions of the Agreement andis intended only to document the assignment of the Transferred IP. Nothing contained in thisAssignment shall be deemed to supersede any of the obligations, agreements, representations,covenants or warranties of Seller and Buyer contained in theAgreement.     This Assignment shall be construed and interpreted according to the laws of the State ofCalifornia, applicable to contracts to be wholly performed within the State of California.     This Assignment may be executed in one or more counterparts, and by the different partieshereto in separate counterparts, each of which when executed shall be deemed to be an original,but all of which taken together shall constitute one and the same agreement. Delivery of anexecuted counterpart of a signature page to this Assignment by facsimile or e-mail shall beeffective as delivery of a manually executed counterpart of this Assignment.
 

 
     IN WITNESS WHEREOF, the parties have caused this Assignment to be executed by theirduly authorized officers.   “SELLER” “BUYER”   /s/ Kirk Misaka /s/ Larry Schwartz   By: KIRK MISAKA By: LARRY SCHWARTZ   Title:CFO Title: Vice President   “PARADYNE CORP”     /s/Kirk Misaka     By: KIRK MISAKA     Title: CFO  
 

 
STATE OF CALIFORNIA:COUNTY OFALAMEDA     Onthe 26, day of March, 2007, before me personally came KIRKD. MISAKA, to meknown (or satisfactorily proven), who being by me duly sworn, did depose and say that he is theCFO of Zhone Technologies., the corporation described in,and which executed the foregoing instrument, and that he was fully authorized to execute thisAssignment on behalf of said corporation.     /s/ Karen S. Bradley (SEAL)  Notary Public