<p>Captioned telephone are devices intended to provide text captions to persons needing assistance with telephone communications. Captioned telephones provide text by using the services of a relay interposed between the assisted user and the hearing user, the relay providing the captioning for the assisted user. While captioned telephone service can be delivered over a single telephone line, if the assisted user has two telephone lines available for the captioning service, additional features and advantages are possible in the delivery of captioned telephone service to the user.</p>
申请公布号
WO2005081511(A1)
申请公布日期
2005.09.01
申请号
WO2005US05149
申请日期
2005.02.18
申请人
ULTRATEC, INC.;ENGELKE, ROBERT, M.;COLWELL, KEVIN, R.;VITEK, TROY, D.
发明人
ENGELKE, ROBERT, M.;COLWELL, KEVIN, R.;VITEK, TROY, D.