according top lifehacker.com Google has reserved the label "voicemail". Should be interesting to see what is coming down teh pipe regarding voicemail..

lifehacker.com/5168841/gmail-r ...

blogoscoped.com/archive/2006-0 ...
yes, since 2006.

Not new. It was reserved when GTalk added voicemail support.

googlesystem.blogspot.com/2006 ...