ITXC Corporation

ITXC Corporation (Internet Telephony Exchange Carrier) was a US-based wholesale provider of Voice over IP (VoiP), Internet-based phone calls.

It was co-founded 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. The company was acquired by Teleglobe Bermuda Ltd. in 2004.