What is an echo connection? Echo Connection is a court reporting firm that is proud to be owned and operated by realtime captioners and court reporters. We offer remote and onsite realtime captioning and traditional judicial services. We pride ourselves in providing high-quality work product and tailor each service to meet the unique needs of our clients.What is echo support phone number? The customer support phone number of ECHO is 800-354-7993, Fax: 888-796-4445 (Click phone number to call).What is the command for echo? echo (command) In computing, echo is a command in DOS, OS/2, Microsoft Windows, Singularity, Unix and Unix-like operating systems that places a string on the computer terminal. It is typically used in shell scripts and batch files to output status text to the screen or a file.