23 of 87Image
The basic phone dialer is pretty lame with no smart dial feature. This is one area where Microsoft needs to do some work before launching.
In the Tech Preview, tapping the Phone app takes you right to the call history part of the application.
Pressing and holding the Start button launches the voice recognition software, powered by Tellme. The software does a great job of recognition and uses Bing Search to power the searches that take place on the WP7 device.