A wireless communication method is provided to comprise: receiving, by a first computing device, a notification that a wireless communication device that has previously established a protocol data unit session via a first network access has registered for a second network access; and establishing, by the first computing device, one or more quality of service (QoS) flows for the protocol data unit session for the wireless communication device over the second network access by transmitting, to a second computing device, a message that includes information to associate the one or more quality of service (QoS) flows with the second network access, and wherein the first computing device is configured to carry out a session management function and the second computing device is configured to carry out an access and mobility management function.