
News out there is, Now you can place a Grand Central widget on your blog and let readers call you, without ever giving out there numbers. We have similar services out there but Grand Central is a Google offering which means, a lot of people are going to give it a serious thought.
From http://buzz.blogger.com
WebCall Button
When you add GrandCentral’s WebCall button to your blog, your readers can easily call your phone or leave voicemails without ever seeing your telephone number. You can screen calls, either accepting them or sending them to voicemail, and you can even block unwanted callers altogether. Learn how to add a WebCall button to your blog
Voicemail Inbox

Your voicemail is all kept in a visual online inbox that is easy to manage. Store as many as you like for as long as you like, or post them to your blog so anyone can hear them.