US Patent: 6,650,890: "the intermediate pre-processing service may deliver to the message to one or more wireless devices in accordance with the user profile, e.g., by forwarding the message to one or more servers or gateways 307 the addresses of which have been specified by the user in the user's profile. Prior to forwarding the message to a server or gateway, the intermediate pre-processing service 301 may perform any necessary reformatting to meet the requirements of a particular recipient device."