Side - 1

NOTICE OF ACCEPTANCE AND   ACKNOWLEDGEMENT OF §§8 & 15   DECLARATION   MAILING DATE: May 5, 2009 The combined declaration of use and incontestability filed in connection with the registration identified below meets the requirements of Sections 8 and 15 of the Trademark Act, 15 U.S.C. §1058 and 1065.  The combined declaration is accepted and acknowledged.  The registration remains in force. For further information about this notice, visit our website at: http://www.uspto.gov.  To review information regarding the referenced registration, go to http://tarr.uspto.gov. REG NUMBER: 2777428 MARK: IPC OWNER: IPC SYTEMS, INC.

Side - 2

UNITED STATES PATENT AND TRADEMARK OFFICE COMMISSIONER FOR TRADEMARKS P.O. BOX 1451 ALEXANDRIA, VA  22313-1451 FIRST-CLASS MAIL U.S POSTAGE PAID Dickerson M. Downing Crowell & Moring, LLP 590 Madison Avenue, 20th Floor Crowell & Moring, LLP NEW YORK, NY   10022