Patent ID: 8688128

Claim:
A method of providing a toll-free call from a wired telecommunication network to a mobile device supported by a wireless telecommunication network, wherein the method comprises: placing the toll-free call to a called telephone number via the wired telecommunication network by: identifying the called telephone number as a toll-free telephone number; obtaining, by the wired telecommunication network, a destination number associated with the toll-free telephone number, wherein the destination number comprises a mobile service identification number of the mobile device, wherein the mobile service identification number is useable by a mobile switching center of the wireless telecommunication network to identify and locate the mobile device; routing the called telephone number and the called telephone number information through the wired telecommunication network to the wireless telecommunication network via a terminating switch in the wired telecommunication network, wherein the wired telecommunication network comprises an access network and a toll-free telecommunications network, wherein the called telephone number information comprises the destination number associated with the toll-free telephone number; and delivering a calling party telephone number to the wireless telecommunication network; routing the called telephone number through the wireless telecommunication network by directly identifying the mobile device, by the mobile switching center, using the destination number that comprises the mobile service identification number of the mobile device; establishing a connection between the mobile switching center and the mobile device using the mobile service identification number; and connecting the toll-free call to the mobile device.