Exhibit 10.56 Flat 2 151 Sutherland Avenue London W9 1EC 22nd April 1997 Charles Romilly Esq. Director IFX Ltd. America House 2 America Square London EC3N 2LU Dear Charles I acknowledge and agree, in accordance with the Memorandum Agreement dated 12th...

                                                                   Exhibit 10.56
 
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22nd April 1997



Xxxxxxx Xxxxxxx Esq.
Director
IFX Ltd.
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0 Xxxxxxx Xxxxxx
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Dear Xxxxxxx

I acknowledge and agree, in accordance with the Memorandum Agreement dated 12th
March 1997, that the payment to me, or my designee, of the sum of $162,683.50,
less PAYE tax and the Employer's National Insurance Contribution, and any
advances which have already been made to me, will be in full and final
settlement of all liabilities you may have to me under the Heads of Agreement,
dated 19th July 1997 and the Terms of Employment, dated 13th November 1995, both
of which are now terminated.

Yours sincerely


/s/ Xxxxxxx Naldini

Xxxxxxx Naldini