maria luz calibo
Dec 20, 2011
Sprint Sues Comcast, TWC, Cox And Cable One Over VoIP Patents - 2011-12-20 00:14:43 | Multichannel News
Sprint Nextel on Monday sued Comcast, Time Warner Cable, Cox Communications and Cable One, alleging that the cable companies infringe 12 patents related to transmitting voice calls over Internet Protocol networks.