One of the things worth appreciating about Google Voice is the ability to get voicemail in message form, especially in case of an iPhone.
Why I just stated is because when someone leaves me a voicemail on my iPhone, and I can’t inevitably check it right away, I get it sent in text form through an email to me, which I then can read instantly. It works even better when I am at work as it gives me a written transcription of messages which helps in case a voicemail gets erased.
In order to have this, first thing you need to do is to sign up for a Google Voice account, if only you already haven’t. Please keep in mind that your voicemail will no longer go to your iPhone voicemail then. So, you may want to download the free Google Voice app from the App Store to assist you in this regard.