Using Google Voice, you can record multiple voicemail greetings, and even have your voicemails sent to your email. Here's how ...

You can set up voicemail on your Android phone directly from the phone's keypad or its Voicemail app if it features one.

Anyone who has your cell phone number can contact you by ringing you up. However, that doesn't mean you will always want to answer. For this particular situation, or for those times when you're busy ...