So I posted a similar issue earlier regarding the TuneIn radio. The issue back then was the fact that whenever I stream a radio station my BIS service gets switched off (No bb logo at the top of the screen) and I am no longer able to receive any messages.
So now I was streaming live television on the Vodafone Live website and the same thing happened again. BIS went off during streaming, and after streaming BIS went back and messages started pouring in. Any ideas as to how and why this might happen? My guess is that it takes so much bandwith everything else gets clogged, but that can't really be it.