I am also experiencing bluetooth audio connection problems with somewhat older, but premium Nokia wireless devices BH-503 and MD-7W. They are influenced by WiFi behaviour and any other activity on the phone. Especially typing on the standard keyboard with word suggestion on. Furthermore it seems also very prone for obstruction of the visual path between phone and peripheral: there will be an audio hiccup when someone walks between the phone and the peripheral in case they are only some three meter apart.

Harmattan bug 125 (https://harmattan-bugs.nokia.com/show_bug.cgi?id=125) concers this issue. If you care to search the internet on 'N9 bluetooth audio problem', or something like that, you get quite some results. Especially for the Nokia Support site. So the problem is well known.

Witnessing the replies from Nokia devs, they do not seem to be able or willing to solve the issue however. Wireless listening to music while performing other tasks being a basic use case for a smartphone, I think this is unacceptable.
How can we gain momentum to have this issue solved?