发明名称 Method of continuing a call by generating a collect call telephone connection when prepaid card balance is used up
摘要 <p>The method involves holding the telephone connection between a mobile telephone operated by a customer and the telephone of a third party when the balance of the prepaid card is used up during a telephone call. A reverse-charge call connection is then established between the mobile telephone and the telephone of the third party.</p>
申请公布号 EP1777932(A1) 申请公布日期 2007.04.25
申请号 EP20050023089 申请日期 2005.10.22
申请人 CALLAX TELECOM HOLDING GMBH 发明人 VAROL, OEMER KAAN
分类号 H04M15/00;H04M15/08;H04M17/00 主分类号 H04M15/00
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