Patent ID: 8254546

Claim:
A phone directory proxy, comprising: a communications interface; and a controller for controlling operations of the communications interface, and programmed to: receive from a mobile device on a data channel of a cellular communications network a request for access to a phone directory; receive one or more selective requests from the mobile device to search the phone directory; transmit one or more successive portions of the phone directory to the mobile device according to the one or more selective requests; receive from the mobile device a mobile originated call comprising an abbreviated phone number associated with an entry of the phone directory for establishing communications with a terminal device; identify an unabbreviated phone number associated with the abbreviated phone number; initiate a first network originated call to the terminal device over a first voice channel according to the unabbreviated phone number, wherein the first network originated call comprises a caller identification, and wherein the caller identification differs from a mobile device caller identification assigned to the mobile device; initiate a second network originated call to the mobile device over a second voice channel of the cellular communications network, wherein the mobile device suppresses an audible alert associated with the second network originated call; and link the first and second voice channels to enable voice communications between the mobile device and the terminal device.