The latest chapter in the drawn-out saga of the Microsoft Mediaroom IPTV platform has seen Ericsson Media Solutions reborn as MediaKind with many of the original Tier 1 customers still on board for now. Ericsson retains a 49% holding with private-equity firm One Equity Partners taking majority control. This comes five years after Ericsson itself had acquired Mediaroom from Microsoft, which had lost interest in IPTV and left the platform wallowing as it refocused efforts on OTT video around such properties as the Xbox box games console. Ericsson at a stroke acquired over 20% of the IPTV middleware market and strong representation among Tier 1 Telcos including AT&T, Deutsche Telekom, Telefonica, Canada Bell, Swisscom and Portugal Telecom. BT had already…