TTY Users 

Voice Callers

VCO Users 

STS Users 

HCO Users 

Spanish Relay 

CapTel Users


Other Features

CAPTEL 2400i

Ideal for people with low vision or who have difficulty reading the standard sized captions. 

Requires a standard telephone line (analog or DSL) and high-speed Internet access.

CapTel 2400i Phone Features


  • Contemporary design for users who prefer a high-tech appearance

  • Large touch-screen with easy-to-read captions

  • Built-in answering machine with captions

  • Caller-ID capable

  • Speed dial keys for one-touch dialing of frequently called numbers

  • Bluetooth® for hands-free communication

  • Phone book feature stores up to 95 names/numbers

  • Built-in WiFi  *

  • Built-in speakerphone

  • Real time clock displayed

  • Adjustable volume control (up to 40dB gain) 

  • One touch button to reach customer service 24/7

  • Available in Spanish

  • AES encryption for security and privacy

  • Captioning service is FREE **

*   WiFi is available for an internet-based CapTel phone only.

**  CapTel callers are responsible for their own long-distance call charges.

Requirements for CapTel 2400i


Line 1: *

Telephone line:

  • Analog

  • VoIP,  DSL, or digital cable phone service with digital filter


Line 2 or Line 3:*

  • Line 2:
    High speed Internet connection

  • Line 3:
    Wireless connection to WiFi


* Not compatible with PBX system
    unless an analog port is available.

VIDEO: CapTel 2400i Overview

Delaware Relay is operated by Sprint with funding and support from the State of Delaware.  Although the information is available to anyone, Delaware Relay retains copyrights on all text, graphic images, and videos. Therefore, you may NOT:


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You may print copies of the information for your own personal use or store files on your own computer for your personal use only.

Delaware Relay reserves all other rights.


©2020 Delaware Relay.  CapTel is a register trademarks of Ultratec, Inc.. All rights reserved.

FEDERAL LAW PROHIBITS ANYONE BUT REGISTERED USERS WITH HEARING LOSS FROM USING INTERNET PROTOCOL (IP) CAPTIONED TELEPHONES WITH THE CAPTIONS TURNED ON. IP Captioned Telephone Service may use a live operator. The operator generates captions of what the other party to the call says. These captions are then sent to your phone. There is a cost for each minute of captions generated, paid from a federally administered fund. No cost is passed on to the CapTel user for using the service.