Call delivery system to reach displaced wireless users after a regional disaster
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United States of America Patent
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N/A
Issued Date -
Dec 25, 2008
app pub date -
Jun 21, 2007
filing date -
Jun 21, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An apparatus and method are provided for a call delivery system capable of reaching displaced wireless users after a natural disaster. A calling party may call a publicized general reach number, e.g., 800 number, to contact a wireless user. The home mobile switching center (MSC) of the wireless user may be damaged, inoperable or overloaded, thus prohibiting incoming calls for the wireless user. Upon being connected to the general reach number, the calling party may be prompted to provide a destination number for the wireless user. Upon receiving the destination number, a home location register may be queried to retrieve a temporary local directory number (TLDN) for the wireless user while bypassing the home MSC of the wireless user. Upon receiving the TLDN, an incoming call from the calling party may be delivered to a last MSC visited by the wireless user.
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