Exhibit 7.1 Joint filing agreement The undersigned hereby agree that Amendment No. 2 to Schedule 13D to which this Joint Filing Agreement is attached as Exhibit 7.1 is filed on behalf of each of them. Dated: January 10, 2002 Warren H. Feldman,...Joint Filing Agreement • January 15th, 2002 • Covista Communications Inc • Telephone communications (no radiotelephone)
The undersigned hereby agree that Amendment No. 2 to Schedule 13D to which this Joint Filing Agreement is attached as Exhibit 7.1 is filed on behalf of each of them.
