Vyvx Inc., Tulsa, OK, and IXC Communications Inc., Austin, TX, plan to swap rights to use fiber on

Vyvx Inc., Tulsa, OK, and IXC Communications Inc., Austin, TX, plan to swap rights to use fiber on future fiber-optic routes, adding new markets for each company. IXC plans to swap rights to use inactive fibers in its 7000-mile system currently under construction from Los Angeles to New York for rights to use dark fibers on a 1600-mile route, which Vyvx plans to build from Houston to Washington, DC.