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Hack: use Google Voice to add visual voicemail to your G1, Dream, or Magic

Chris Ziegler

With home screen widgets, an on-screen keyboard, great notification management, and hands-down the best Gmail experience of any platform, Android 1.5 finally makes it easy (or easier, anyway) to love Google's foray into the mobile world. Of course, if you're coming from an iPhone -- as some users inevitably will be -- there are a few features that'll be sorely missed as you make the transition. For us, a biggie was visual voicemail, and after a little trial and error, we found a cool way to add it into our device without even leaving the Google ecosystem -- and even better, it's totally free. Follow the break for the full story!

First, a quick note: to do this, you'll need a Google Voice account. After many, many months in private beta, Voice is finally starting to loosen up a bit, but it's still not a free-for-all; if you don't have an account, go to right this second and request an invite so that you can get in on this as soon as possible.

To begin, log into your Google Voice account by navigating to Click on Settings at the top right of the page. If you haven't yet tied your cellphone to your Voice account, you'll want to do that now by clicking on the Phones tab and following the instructions on the screen.

After you've done that, click on the General tab in Settings. This is a good opportunity for you to set up your recorded name and voicemail greeting (they're the third and fourth settings in the list). Google does this by actually calling you and asking you to record them over your phone, just as you would with any other voicemail system -- you don't need a studio-quality mic attached to your PC or anything fancy like that.

The idea behind Google Voice -- better expressed by its former name "Grand Central" -- is that you're given a new phone number that acts as a central clearinghouse for all calls coming into you. In other words, you give out your Google Voice number instead of your landline or your cellphone number, and Google routes the call to you. That's great, but the problem with that plan (assuming you're okay with Google owning your main phone number) is that they're currently not allowing you to port numbers in to the system, which for many folks is a deal-breaker.

That's okay, though, because we're going to effectively use Google Voice backwards. Crazy, right?

What this means is that we'll continue to use our mobile's number, but we'll piggyback on Google Voice's excellent visual voicemail. To do this, make sure that you're still in the General tab of Settings and check the Enable "Do Not Disturb" checkbox. This prevents Google Voice from ringing your cellphone when someone calls your Google-assigned number -- instead, it'll go straight to your Google voicemail.

"But if I'm not giving out my Google phone number," you're thinking, "why do I need to make sure it doesn't forward to my cellphone when someone calls it?" Good question! The answer is that you'll be calling your Google number yourself. By default, your phone is configured to call a number assigned to you by your carrier if you don't answer, your line's busy, or your out of coverage; this is the number that takes callers' voicemails and plays them back to you when you press and hold the 1 key on your phone.

What you may not have known is that you can change this number to whatever you want! We don't want to use our carrier's lame voicemail system anymore, so we're going to have 'em forward unanswered calls to our Google Voice number instead -- which will go straight to our Google Voice voicemail. Pretty neat, huh?

Now that we have Google Voice itself configured the way we want, we have to set up the proper call forwarding on our phones. Some Android devices have a menu in Settings where you can do this totally painlessly.

On your phone, go into Settings, then Call settings. Choose the Call forwarding menu item.

In here, you'll want to change the last three items -- Forward when busy, Forward when unanswered, and Forward when unreachable, to your Google Voice number. Important: record down the number that's currently listed in case you ever want to change back to regular voicemail -- it'll save you a call into customer service, which is always a good thing.

If you were unable to find any of these menu items, you'll need to proceed to Plan B -- programming those three call forwarding settings by dialing GSM codes, which AT&T has a good guide on here. These codes are standard across carriers; obviously, your mileage may vary, but they should work.

Good news -- you're almost done! The last piece of the puzzle is to install an app on your phone that'll allow you to access your Google Voice account. Google doesn't have one yet -- which we find a little bizarre -- but in the meantime, there's an excellent third-party substitute in the Android Market called GV. Grab it and install it.

The first time you run GV, you'll be asked to save your Google Voice login and voicemail PIN (make sure you've set this up on the Google Voice site first) so the app can do its thing. You'll also be to configure some settings. For this setup, we recommend that you uncheck "Route all calls through GV," and set "Check for new" to 15 minutes. You can have it check for voicemail more frequently than that if you like, but it'll hasten battery drain a bit.

And that's it -- you're all set! Incoming callers will now be deflected to your Google Voice voicemail if you don't answer. When you get a voicemail, you'll see the Google Voice icon in your status bar.

Going into the GV app, you'll see who called and how long ago.

Choosing a voicemail will let you play it (naturally), but you may find that you don't need to listen to all of 'em -- Google Voice automatically transcribes your incoming voicemails, and while it's not perfect, we find that we can usually get the gist of the message from the transcription.

Pretty cool, huh? The developer of GV warns that Google hasn't released an actual API for developers wanting to code against Google Voice services, so the app cheats a bit by relying on certain HTML elements of the service's mobile site. If you like what you see (and we know we certainly do), be sure to let Google know that you want them to expose an API -- and while they're at it, release an official app!

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