Patent ID: 7864734

Claim:
A method, comprising: sending, by a first network element, a first message to a second network element to request a call, session, or connection to another network element, wherein the first network element is configured to be connected to the second network element, wherein the first network element and second network element are in a first network of a communication system, and wherein the second network element is configured to be able to access a third network element located in a second network; indicating, in the first message, a preference of the first network element, wherein the preference indicates whether local control or home control is preferred; taking the preference into account in the second network element or another controlling network element when routing the call, session, or connection; and assisting, by a proxy call state control function in the first network during call setup or registration, a serving call state control function in the second network by providing information about a local destination of the first network element.