Handoff between cellular and enterprise wireless networks
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United States of America Patent
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Oct 16, 2007
Grant Date -
Mar 16, 2006
app pub date -
Sep 10, 2004
filing date -
Sep 10, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A mobile station includes a first wireless interface that can couple to a first wireless network, a second wireless interface that can couple to a second wireless network, and a controller. The controller can negotiate a first wireless link with the first wireless network using the first wireless interface and establish a communication session with a remote device using the first wireless link. The controller can also detect a session handoff trigger, negotiate a second wireless link with the second wireless network using the second wireless interface in response to the session handoff trigger, and invoke a private branch exchange feature to transfer the communication session from the first wireless link to the second wireless link.
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