a method of handling traffic flows across a network . the method includes issuing a request for establishing a communication pathway end to end over a network , the communication pathway including a radio communication channel and a packet communication channel , the request identifying at least one traffic flow with an associated flow treatment attribute , reporting an available flow treatment across the network , modifying the request to take into account the available flow by modifying at least one of the at least one traffic flow and the associated flow treatment attribute , and establishing the communication pathway based on the modified request .