ITXC Corporation

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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 (NasdaqVOCL).[1] In 2000, it had the largest Internet telephony network in the world[citation needed]. The company was acquired by Teleglobe Bermuda Ltd. in 2004.[2]


The technology to power ITXC's voice over IP network was initially provided by Israeli company VocalTec,[1] who also owned 20% of the company but later sold its stake. In 2003 the company moved to exclusively use Cisco's equipment.[3]


  1. ^ a b VocalTec (March 19, 2002), "ITXC and VocalTec Lead Seminars at the ITU World Telecommunication Development Conference.", Business Wire, retrieved 2009-12-05[dead link]
  2. ^ "Canadian company Teleglobe, to buy Vocaltec's ITXC", Globes, 2003-11-05, archived from the original on 2011-07-13, retrieved 2009-12-05
  3. ^ Vittore, Vince (February 13, 2003), "ITXC moving to all-Cisco network", Telephony Online, retrieved 2009-12-05

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