Importance

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Abstract

A method and apparatus allow a multi-line telephone user in a cellular network to notify a fixed cellular terminal supporting both analog and digital voice channels and/or its controller to request an analog channel for an incoming or outgoing modem, prior to the call. For analog FAX transactions, the cellular terminal automatically requests the analog channel after detecting the starting tones associated with the FAX transaction. This assures that the fixed cellular terminal will set up an analog channel for the incoming or outgoing analog modem data or FAX data, so that the data can be transmitted to and from the analog multi-line user. In the absence of notification of a modem call or fax start tones call, the fixed cellular terminal can use a digital voice channel to transmit voice data, so that more data can be transmitted per frequency band.

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First Claim