ORking, body> An international non-profit arganisation aiming to encourage the user of {Asynchronous Transfer Mode} through {interoperability} specifications and to promote cooperation and awareness. The ATM FORum consists of a wORldwide Technical Committee, three Marketing Committees fOR NORth America, Europe and Asia-Pacific as well as the User Committee, through which ATM end-users participate. WORldwide Headquarters: 2570 West El Camino Real, Suite 304 Mountain View, CA 94040-1313 USA. Telephone: +1 (650) 949 6700. E-mail: ATM FORum ORum.com>. Start . (1999-06-14)