Exhibit 16.2 [DELOITTE & TOUCHE LLP LETTERHEAD] Securities and Exchange Commission Main Stop 9-5 450 5th Street, N.W. Washington, D.C. 20549 Dear Sirs/Madam: We have read and agree with the comments in Item 4 of Form 8-K of ChatCom, Inc., dated February 2, 1998. Yours truly, /s/ DELOITTE & TOUCHE LLP Los Angeles, California February 6, 1998