you can share the rest VIA 3g insisted of BT ( pics vids ect..) , witch is more efficient specially if your out of range.
ive never been able to share Info Via BT with bell using ALL my phones even WM ( buts that’s because of my Carrier )
And 100% of my Music on my Phone is Illegal Torrent Music witch in return would also be illegal to share VIA BT , so regarding DRM it doesn’t matter, DRM is just an other copy right thing .... BT is Generally blocking ALL sharing to prevent a work around like sharing Stolen MUSIC.
Regarding Ringtones , MOST ringtones now a day are paid ringtones . so blocking that is part of the DRM ( so you have to buy it ) or blocks your own self made ring tones via BT .
but im sure there is a way to have your phone unlock to share your OWN music , if you where a Artist/musician for example , i think i read something on MS allowing stuff for does people.