曾用于参加国际比赛的视屏会议系统，集成有语音识别技术-have participated in international competitions for the screen conferencing systems, integrated voice recognition technology

东进语音卡交换机程序,主要用于程控电话机系统的集成开发及应用-East into the voice card switch process, is mainly used for program-controlled telephone system integration and application development