Wirelessly posted (Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0) BlackBerry8703e/4.1.0 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/104)

I can't receive calls either while tethered with my 8703 on sprint. I wish I could buy an air card and link it with my bb plan and use it for data instead. That would be nice.