H.C. Park & Associates, PLC
Mobile communication terminal supporting TTY device for hard-of-hearing or speech-disabled person and communication method thereof
A mobile communication terminal supporting a teletypewriter (TTY) device for a hard-of-hearing or speech-disabled user is provided. The mobile communication terminal includes: a controller activating a vocoder corresponding to a TTY mode selected by a user; a vocoder encoding a Baudot tone received from the TTY device into a voice data packet based on the selected TTY mode; a TTY mode processor including TTY mode information selected by a user in part of the voice data packet; and an RF transmitter transmitting an encoded voice data packet including the TTY mode information.
Pantech & Curitel Communications, Inc.
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additional inventional inventional
Hye-sung
Choi