CapTel 840i
Designed for people who have high-speed Internet access. It uses your telephone service and an Internet connection, including WiFi, to provide voice and captions during a call.
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CapTel 840
The CapTel 840 works with a standard analog telephone line(s). Both the captions and the voice parts of the conversation are carried over the telephone line.
See Also: 2-Line CapTel
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