> AT&T sells stake in Tech Mahindra
> Cbeyond schedules Q1 2010 earnings call
> Level 3 redeems 10 percent of convertible notes
> tw telecom to present at upcoming investor events
> Zhone Technologies' Q1 year-over-year revenue was up 29 percent
> TM Forum's Catalyst program to showcase 15 demos at Management World 2010