For people who don't have Internet access, the CapTel 840 relies on a landline (analog telephone line) to provide captions and voice. This is also known as a one-line CapTel.
CapTel 840 Phone Features
Requires an analog phone line. DSL can be supported if using an appropriate filter
Large screen with easy-to-read captions
Built-in answering machine with captions
One touch button to reach customer service 24/7
Available in Spanish
Captioning service is FREE
Requirements for CapTel 840
Line 1: *
DSL with digital filter
Line 2 (optional):*
2nd analog telephone line
* Not compatible with PBX system
unless an analog port is available.