发明名称 Apparatus and method for conveying TTY signals over wireless telecommunication systems
摘要 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.
申请公布号 US6351495(B1) 申请公布日期 2002.02.26
申请号 US19980143416 申请日期 1998.08.28
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):H04L27/00;H04M11/00;H04M1/00 主分类号 H04L17/00
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