Patent ID: 8599797

Claim:
A method, comprising: receiving, by a source mobility management entity, a handover initiation request for handover from a first network to a second network; performing, by the source mobility management entity, a one-to-one mapping between one or more packet data protocol contexts and one or more bearers; sending a handover preparation request including a second network quality of service information from the source mobility management entity to a target serving support node for further transmission to the second network; receiving a handover preparation confirm message at the source mobility management entity for indicating that a handover preparation phase is complete; and sending, by the source mobility management entity, a handover command to a user equipment, the handover command including a second network information, wherein the second network information includes radio access bearer information, wherein when a connection is established between the user equipment and the second network, the user equipment is able to map ongoing services to correct one or more packet data protocol contexts.