What is the difference between the CapTel 200 and the CapTel 800i?
CapTel 200 works with standard analog telephone lines. Both the captions and the voice parts of the conversation are carried over telephone lines. More about CapTel 200 CapTel 800i is an option for people who use VOIP telephone service. It connects to the Internet to provide captions. So the voice part of the conversation is carried over the telephone line, the captions part of the conversation is carried over the Internet connection. Requires high-speed Internet service to work.