EXHIBIT 21.1 Subsidiaries of the Company - --------------------------------------------------------------------------------------- Name State of d/b/a Name Incorporation - --------------------------------------------------------------------------------------- * Telephone Business Meetings, Inc. Delaware Access Teleconferencing International * Conference Source International, Georgia None Inc. * Communication Development Connecticut None Corporation * Kendall Square Teleconferencing, Massachusetts The Conference Center Inc. f/k/a Teleconversant * American Conferencing Company, New Jersey a/k/a Americo Inc. * Call Points, Inc. Delaware None