Google will offer Voice number soon.

The Google Voice is not a replacement of your current phone number (not yet), to me this is your personal assistance to make your digital life a little more organize. You can configure your Google Voice number to receive calls from your family, friends, business and other personal use. "Google Voice is a service that gives you one number for all your phones, voicemail that is easy as email, and many enhanced calling features like call blocking and screening, voicemail transcripts, call conferencing, international calls, and more. Google Voice is currently available for GrandCentral users only, but will be open to new users soon. In the meantime, please leave us your email address and we'll notify you as soon as Google Voice becomes available. To learn more about Google Voice, check out our feature videos." (2009, Google.com) Watch this short video presentation about Google Voice Google Voice gives you one phone number for all your phones, voicemail as easy as email, and many calling features for free. Source: King.Net