Private company

ITXC

American company

ITXC Corporation (Internet Telephony Exchange Carrier) was a US-based wholesale provider of voice over IP internet-based phone calls. It was cofounded by Tom Evslin and his wife Mary in 1997 with seed money from AT&T and VocalTec (Nasdaq: VOCL). In 2000, it had the largest internet telephony network in the world.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

ITXC Corporation (Internet Telephony Exchange Carrier) was a US-based wholesale provider of voice over IP internet-based phone calls.2

Sources

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