Not really. major points against that are: 1. If it does include voice capability, this will only be limited to BT headsets, because the tablet itself is too awkward to be used as a phone...
... talking into the device involves holding the top end of it to your face (the microphone and speaker are located where the L and R buttons are on a GBA), which quite frankly makes you look utterly ridiculous. We're not sure which design genius at Nokia decided that people think it's cool to look like you have a Frisbee embedded in your head ....