Exhibit 23.1 8 of 9 ARTHUR ANDERSEN LLP Consent of Independent Public Accountants We hereby consent to the incorporation of our report dated November 6, 1995, included in Wandel & Goltermann Technologies, Inc.'s Annual Report to shareholders for the year ended September 30, 1995, into the Company's Registration Statement filed herewith pertaining to the Omnibus Stock Plan of Wandel & Goltermann Technologies, Inc., as amended on February 5, 1996. Arthur Andersen LLP Raleigh, North Carolina, May 6, 1996 9 of 9