writes "This article from science daily talks about a communications module that will be strapped to the rockets of a shuttle or other payload delivery vehicle. It can be used to provide constant telemetry by making a cell phone call using the Globalstar Network. Does this mean that if you use a cell phone in space, even there people will ask you to step outside?"
See NASA's web page
about the Flight Modem, which seems to be very much a work in progress