I recently upgraded from a Droid Incredible to the DNA and my Voice Dialer has become completely useless, although dictation works normally for lists and for texting. I began with my Plantronics BT-510, which worked almost flawlessly for two and a half years on the Dinc, then bought a new Plantronics M50. Neither of them recognizes ANY voice-dialed names; for CALL Line 2 at Home, it asks, "Simon Kohn?" and for Grace Hall it asks "Kate Sammage?" The 510 works fine if the call is hand-dialed or speed-dialed, although that was also a problem when I had more than one BT headset paired with the DNA at the same time - it seemed to be seeking to pair with the 2nd BT while I w3as using the 1st BT. HTC Support had no clue and suggested I review the Google boards - found nothing there. For some reason, the voice-dial routine seems to operate at a lower volume, so maybe there is not enough signal for the phone to read; the volume is normal when a call is completed. I may try Vlingo, or some other voice app to see if that is a workaround; else I'll try giving everybody a number. 1-Wife, 2-Son, etc.