1. An apparatus for processing a document service request originating from a mobile computing device and directed at an output device in communication with the mobile computing device over a first communications channel of the mobile computing device, said apparatus comprising: a transceiver for responding to a request to establish a second communications channel with the mobile computing device; and a document server being adapted to communicate with said transceiver to receive over the second communications channel a document service request originating from the mobile computing device; the document service request including a first parameter identifying a document available to the document server and a second parameter identifying a type of output device available over the first communications channel; wherein the document server transmits to the output device, via the second communications channel established by the mobile computing device, the document rendered in a format suitable for the output device.