CONSENT OF INDEPENDENT
CERTIFIED PUBLIC ACCOUNTANTS

VDC Communications, Inc.
Greenwich, Connecticut

We  hereby  consent  to  the   incorporation  by  reference  in  the  Prospectus
constituting  a part of this  Registration  Statement of our report dated August
30, 2000, relating to the consolidated  financial statements and schedule of VDC
Communications,  Inc.  appearing in the Company's Annual Report on Form 10-K for
the year ended June 30,  2000.  Our report  contains  an  explanatory  paragraph
regarding the Company's ability to continue as a going concern.  We also consent
to the incorporation by reference in the Prospectus  constituting a part of this
Registration  Statement of our report  dated  August 18,  2000,  relating to the
consolidated financial statements of Rare Telephony,  Inc. ("Rare") for the year
ended June 30, 2000 appearing in the Company's Current Report on Form 8-K/A. Our
report contains an explanatory paragraph regarding Rare's ability to continue as
a going concern.

We also  consent  to the  reference  to us under the  caption  "Experts"  in the
Prospectus.



/s/ BDO Seidman, LLP
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BDO SEIDMAN, LLP
Valhalla, New York
September 27, 2000