I had set the SMS for new voicemail for my Sprint phone, and it worked great.

The voicemail as attachment works great too.

Still wondering why VMWI has not been turned on though.

All-in-all I have great expectations and confidence in VOIPo and do intend to ultimately abandon Packet8 for VOIPo. The call routing, the Phone Book, the potential of all the call routing, and accommodation of SIP addresses all speak of the far thinking approach VOIPo aspires to.