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US 2004/0005909 A1Published application
Method for originating and terminating mobile (aka cellular) telephone calls on an analog phone line system utilizing the mobile handset as a gateway
OwnerWymond K. Choy, Yui Ming Yiminventors
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Abstract
A method for using Analog Telephone Sets on a Standard Phone Line System to access service provided over a Mobile Network. The interface comprises of the Mobile Handset as an Network Access Gateway, an Adapter to provide bi-directional communication between the Mobile Handset and the Analog Telephone Set, and AT commands over the RS232 serial port for call signaling between the Handset and the Mobile Network.
Claims5
Use of an Analog Telephone Set on a standard phone system to originate and terminate calls on a mobile network.
Dependencies are inferred from the claim text.