Method and system for wireless local number portability
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United States of America Patent
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Nov 10, 2009
Grant Date -
N/A
app pub date -
Mar 11, 2003
filing date -
Mar 11, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A mobile station is identified by a mobile directory number (MDN) and by a mobile station identifier (MSID). To communicate with a packet-switched network, the mobile station transmits its MSID, and a network access server, such as an interworking function (IWF), assigns an IP address to the mobile station and correlates the IP address with the MSID. A gateway receives a communication from the mobile station that includes the mobile station's IP address. The gateway identifies the mobile station's MDN based, at least in part, on the IP address, a correlation between IP address and MSID, and a correlation between MSID and MDN.
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