WLAN-To-WWAN Handover Methods And Apparatus Using A WLAN Support Node Having A WWAN Interface
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United States of America Patent
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app pub date -
Sep 12, 2012
filing date -
Oct 26, 2006
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Abandoned
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Abstract
A mobile device establishes and maintains a voice call via a wireless local area network (WLAN). During voice call handover, the mobile device receives, from the cellular network, voice data of the voice call which is routed via a network support node. The network support node is connected to the WLAN and has a wireless link with a base station of the cellular network, for sending the voice data to the mobile device. The mobile device also sends, to the cellular network, voice data of the voice call which is communicated to the network support node over the wireless link with the base station.
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