System and method of switching between calls when handing off a mobile station out of a WLAN
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United States of America Patent
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Aug 8, 2006
Grant Date -
Jun 8, 2006
app pub date -
Dec 8, 2004
filing date -
Dec 8, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method switches between an active call and a call on hold when handing off a mobile station (204) from a Wireless Local Area Network (WLAN) (202). A Handover Starting message is received from a mobile station. The Handover Starting message includes at least one first identifier. A Notification message is also received. The Notification message includes a second identifier. The at least one first identifier is compared to the second identifier and a handover of the mobile station (204) proceeds when a match is determined. Subsequently, the mobile station (204) switches from an active call to a call on hold.
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