Voice over internet protocol provision
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United States of America Patent
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Oct 25, 2016
Grant Date -
Jun 9, 2011
app pub date -
Dec 3, 2010
filing date -
Dec 3, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system for routing a voice connection over a cellular network to a mobile station is disclosed. The cellular network comprises a plurality of base stations, some of which have capability to provide the voice connection to the mobile station using Voice over Internet Protocol (VoIP). A voice connection for the mobile station is identified at an Application Server of the cellular network. A request message is sent from the Application Server to a Home Subscriber Server (HSS), or Home Location Register (HLR), of the cellular network. The request message requests an indication ds to whether the mobile station is being served by a base station having capability to provide a voice connection using VoIP.
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