Patent ID: 8571481

Claim:
A method for communications device operation, the method comprising: establishing simultaneous communications sessions in first and second wireless communications networks; determining if a communications device is within an idle time window, wherein the idle time window is specified by a first time and a second time, and wherein the second time is greater than or equal to the first time; determining if the communications device is in an idle state in the first wireless communications system; when an elapsed time since a last transmission by the communications device in the second wireless communications system is less than the first time, not initiating a keep alive procedure in the second wireless communications system; when the communications device is within the idle time window and when the communications device is in the idle state in the first wireless communications system, initiating the keep alive procedure in the second wireless communications system; when the communications device is within the idle time window and when the communications device is not in the idle state in the first wireless communications system, not initiating the keep alive procedure in the second wireless communications system; and when the elapsed time since the last transmission by the communications device in the second communications system is greater than the second time, initiating the keep alive procedure in the second wireless communications system.