A method for vertical handovers of wireless devices (122, 124, 126, 128, 132, 134, 136, 138) configured to couple with heterogeneous wireless networks (120, 130), the method comprising, at a vertical handover manager, the steps of: receiving an indication of one or more triggering events associated with vertical handovers of wireless devices (122, 124, 126, 128, 132, 134, 136, 138); responsive to the received indication, controlling a first vertical handover for a first wireless device with a second vertical handover for a second wireless device, the first wireless device coupled to a first wireless network and the second wireless device coupled to a second wireless network; and performing the first vertical handover for the first wireless device and the second vertical handover for the second wireless device based at least upon vertical handover information associated with a plurality of wireless devices (122, 124, 126, 128, 132, 134, 136, 128) in a multiuser table; wherein the method comprises starting a vertical handover time interval indicating to one or more other vertical handover managers to modify vertical handover information maintained in a multiuser table; and performing the first vertical handover for the first wireless device and the second vertical handover for the second wireless device is performed concurrently, and further comprises: swapping a first network connection coupling the first wireless device to the first wireless network with a second network connection for coupling the first wireless device to the second wireless network; swapping a third network connection coupling the second wireless device to the second wireless network with a fourth network connection for coupling the second wireless device to the first wireless network; indicating to the first wireless network to couple with the second wireless device via the fourth network connection; and indicating to the second wireless network to couple with the first wireless device via the second network connection. receiving an indication of one or more triggering events associated with vertical handovers of wireless devices (122, 124, 126, 128, 132, 134, 136, 138); responsive to the received indication, controlling a first vertical handover for a first wireless device with a second vertical handover for a second wireless device, the first wireless device coupled to a first wireless network and the second wireless device coupled to a second wireless network; and performing the first vertical handover for the first wireless device and the second vertical handover for the second wireless device based at least upon vertical handover information associated with a plurality of wireless devices (122, 124, 126, 128, 132, 134, 136, 128) in a multiuser table; wherein the method comprises starting a vertical handover time interval indicating to one or more other vertical handover managers to modify vertical handover information maintained in a multiuser table; and performing the first vertical handover for the first wireless device and the second vertical handover for the second wireless device is performed concurrently, and further comprises: swapping a first network connection coupling the first wireless device to the first wireless network with a second network connection for coupling the first wireless device to the second wireless network; swapping a third network connection coupling the second wireless device to the second wireless network with a fourth network connection for coupling the second wireless device to the first wireless network; indicating to the first wireless network to couple with the second wireless device via the fourth network connection; and swapping a first network connection coupling the first wireless device to the first wireless network with a second network connection for coupling the first wireless device to the second wireless network; swapping a third network connection coupling the second wireless device to the second wireless network with a fourth network connection for coupling the second wireless device to the first wireless network; indicating to the first wireless network to couple with the second wireless device via the fourth network connection; and indicating to the second wireless network to couple with the first wireless device via the second network connection.