Google has launched a new service that hopes to make using your current phones much better. Google Voice offers a personal phone number that rings all of your existing phones when people call; all of your voicemail in one inbox; free voicemail transcripts; low-priced international calling and even a do-not-vcall spam filter. A lot of these services have been around for a while as individual applications but Google seems to have studied them and put the best features into a new service.
Here’s a video about the transcription services:
And this video describes how Google will route a call to a certain number:
The phone system seems to be web driven. Free calls are made by dialing the dashboard and then the system will connect you (for free in the US) by ringing your phone then the phone of the person you are dialing.