> CastleNet Technology is the latest company with sights set on IPTV via DOCSIS 3.0. > BT teams with Cisco Systems to promote Flip video as a tool for small businesses. > Open Mobile Video Coalition preparing for next month's CES, mobile DTV's rise. > Germany's DT introduces a networked DVR offering for its IPTV service. > Portugal Telecom tests plastic optical fiber technology for home networking.