发明名称 Methods for Providing Overdraft Protection for Post-Paid Communication Service Plans
摘要 Methods for adding minutes to a calling plan having a calling plan period. The methods including determining whether a threshold number of minutes have been reached during the calling plan period; and incrementally adding minutes to the calling plan when the threshold number of minutes has been reached. The cost per minute of the added minutes is less than the high-cost per minute rate normally associated with exceeding the threshold number of minutes during the calling plan period.
申请公布号 US2013287192(A1) 申请公布日期 2013.10.31
申请号 US201313928440 申请日期 2013.06.27
申请人 AT&T MOBILITY II LLC 发明人 HENRY, JR. COULTER C.;LAZARO, JR. FRANCIS RICHARD;HINES, JR. ANDREW LAMONT;JOHNSON DEREK EKO-BADU
分类号 H04M17/00 主分类号 H04M17/00
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