This feature has been mentioned a fair bit in the past.
Yes, it's this - http://i.imgur.com/CSd7oOa.png BBU/ONT will be integrated.
The new device will actually only have 1 dataport + 1 voice port. So they will no longer support multiple lines.
Due to replace the existing ONTs in September. The other thing is that all new FTTP deployments are Huawei and ECI seems out of the picture now.