Patent ID: 8078164

Claim:
A system to provide communications for a mobile communication device that roams between multiple different types of wireless networks, the system comprising: a. a plurality of different types of wireless networks; b. the mobile communication device configured to access the plurality of wireless networks; and c. an interface server coupled to the plurality of wireless networks, wherein the interface server maintains a seamless communication link between the mobile communication device and an end destination device as the mobile communication device roams from a first wireless coverage area associated within a first type of wireless network to a second wireless coverage area associated with a second type of wireless network, the interface server is configured to establish a second communication link over the second type of wireless network while a first communication link between the mobile communication device and the end destination device over the first type of wireless network is active, wherein the second communication link is initially set up to be forwarded to the interface server and subsequently the second communication link is routed to the mobile communication device as the first communication link is terminated and further wherein the interface server connects to the first type of wireless network and the second type of wireless network; and wherein the mobile communication device notifies the interface server if the first communication link falls below a threshold.