<PAGE>
Exhibit 23.3
Consent of Independent Auditors
The Board of Directors
eFusion, Inc.:
We consent to the use of our report dated March 31, 2000 included in the
Registration Statement of Form S-4/A on or about September 6, 2000 of ITXC
Corp. relating to the balance sheets of eFusion, Inc. as of December 31, 1998
and 1999, and the related statements of operations, redeemable convertible
preferred stock and stockholders' equity (deficit), and cash flows for the
years ended December 31, 1998 and 1999 and to the reference to our firm under
the heading "Experts" in the Registration Statement.
/s/ KPMG LLP
Portland Oregon
September 6, 2000
