Trilithic and Communications Technology are presenting a free Webcast Sept. 27 on troubleshooting digitally modulated signals with a QAM analyzer featuring Cisco Systems‘ Ron Hranac and Trilithic’s Steve Windle. To learn more about the event, go here AT&T Picks HomePNA 3 AT&T has selected HomePNA 3 instead of MoCA as the preferred in-home distribution technology for its fiber-to-the-node triple-play offering. Click here for the story from Telephony Online. Sony Joins Web Video Fray Sony has jumped onto the Web video craze with this week’s purchase of Grouper.com. Check out the Reuters story here.