Fierce Network Broadband Nation Expo Fierce Technology Events Sensors Converge Advertise About Us Broadband Cloud Wireless Resources Fierce Events Podcasts Surveys Webinar Whitepaper Events Subscribe Broadband Cloud Wireless Resources Fierce Events Podcasts Surveys Webinar Whitepaper Events Subscribe Fierce Network Broadband Nation Expo Fierce Technology Events Sensors Converge Advertise About Us Special report: Take the AI & Automation Survey Broadband ALSO NOTED: XO to raise $900 million; U4EA acquires J6; and much more... Nov 29, 2007 6:59am > XO Communications files to raise about $900 million in debt and equity. Article > In a match of alpha-numeric acronyms, U4EA acquired network signaling vendor J6 Technology. Article