I had gotten the jawbone and had issues with breakup as well. I had the phone on my belt clip and couldn't hear consistently enough to keep the calls going. That company told me the same thing that blackberry phones can be picky on what they want to connect with. I bought a Planetronics 520, older model, but works great. I have heard that others don't have the issues with the Jawbone so I'm not sure what the deal was with that. Either way the Jawbone wasn't for me since I didn't like the fit.