JOINT FILING AGREEMENT

                                                                     EXHIBIT 7.1

                             JOINT FILING AGREEMENT

          The undersigned hereby agree that the Amendment No. 4 to Schedule 13D
to which this Joint Filing Agreement is attached as Exhibit 7.1, is filed on
behalf of each of us.

Date:     March 13,  1998

                                       Gold & Xxxxx Transfer, S.A.,
                                       a British Virgin Islands corporation

                                       By /s/ Xxxx Xxxxxxxx
                                          -----------------------------------
                                          Xxxx Xxxxxxxx, Attorney-in-Fact for
                                          Gold & Xxxxx Transfer, S.A.

                                          /s/ Xxxx Xxxxxxxx
                                          -----------------------------------
                                          Xxxx Xxxxxxxx



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