20090180440 | Client-Based Multimode Handover in Communication Systems - A communication system having a first communication device being in communication with a second communication device via a communication connectivity to a first communication network. The first communication device having a first handover module operable to handover communication connectivity from the first communication network to a second communication network. The second communication device having a second handover module cooperatively operable with the first handover module to maintain communication between the second communication device and the first communication device while the first handover module operates to handover communication connectivity from the first communication network to the second communication network. | 07-16-2009 |