Method and system for providing location updates

A method and system of updating location information of a portable computing device is disclosed. Location data is received from a positioning device. A voice link is utilized for communication between the portable computing device and a call center. A dual-tone multi-frequency signal is mapped to a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ASHLEY, JR. JAMES, MOONEY FRANK, MOONEY PATRICK
Format: Patent
Sprache:eng
Online-Zugang:Volltext bestellen
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