[PRICEWATERHOUSECOOPERS LLP LETTERHEAD] January 13, 1999 Mr. Steven T. Shedd Chief Financial Officer OpenRoute Networks, Inc. Nine Technology Drive Westborough, MA 01581 Dear Mr. Shedd: This is to confirm that the client-auditor relationship between OpenRoute Networks, Inc. (Commission File Number 0-19175) and PricewaterhouseCoopers LLP has ceased. Very truly yours, /s/ PricewaterhouseCoopers LLP cc: Chief Accountant SECPS Letter File, Mail Stop 11-3 450 Fifth Street, N.W. Washington, D.C. 20549