ZipDX is a next-generation audio conferencing service designed for busy business professionals. ZipDX has unique features that make it particularly powerful when you attend a call with your Pre. You can dial in and be recognized automatically, or ZipDX can call you, and put you into the right conference without having to enter any codes. Plus, ZipDX can send SMS updates to your phone as people join and leave the conference, so you always know who's there. This free application lets you sign up for ZipDX right from your Pre. Try it out using an initial allocation of free minutes. When you're convinced of the power of ZipDX, add a credit card to keep your account active.

ZipDX Conferencing screenshots: