发明名称 Apparatus and method for conveying TTY signals over wireless telecommunication systems
摘要 <p>An apparatus and method for conveying teletype signals over a wireless telecommunication system. When the apparatus receives a teletype signal, it derives information carried by said signal and represents said information as at least one message. The at least one message and/or the teletype signal is transmitted over the wireless telecommunication system. When the apparatus receives a signal from the wireless telecommunication system that it determines to be a teletype signal, the apparatus of the present invention decodes the teletype information from part of the received signal determined as not having been adversely affected by the telecommunication system. <IMAGE></p>
申请公布号 EP0982903(A3) 申请公布日期 2003.10.29
申请号 EP19990306459 申请日期 1999.08.17
申请人 LUCENT TECHNOLOGIES INC. 发明人 TARRAF, AHMED A.
分类号 H04L17/00;H04L17/02;H04L29/06;H04L29/08;H04M11/06;H04W28/04;(IPC1-7):H04L17/00;H04M3/42;H04L12/28;H04Q7/38 主分类号 H04L17/00
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