EXHIBIT AJoint Filing Agreement • February 12th, 2001 • Baker Communications Fund L P • Telephone & telegraph apparatus
Contract Type FiledFebruary 12th, 2001 Company IndustryThe undersigned hereby agree that the statement on Schedule 13G with respect to the Common Stock of Advanced Switching Communications, Inc., dated as of February 9, 2001, is, and any amendments thereto (including amendments on Schedule 13D) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934.