Callers dial your phone number directly
Large 7” high-resolution caption display tilts for comfortable reading or lies flat for wall mounting
Captions can be turned on or off at any time in a call
Adjustable tone and volume control - up to 40 decibel gain
Adjustable caption font sizes and colors
Standard telephone keypad buttons for familiar, comfortable dialing
95+ name/number phone book to store frequently called numbers
Built-in answering machine takes voice messages with captions
Spanish-to-Spanish captioning available, with Spanish language menus
Speed dial keys for one-touch dialing
Caller ID capable
Wi-Fi compatible
One-touch access to CapTel from T-Mobile Customer Service
Callers dial the captioning service first, then enter your phone number in order for you to get captions
Use the optional 2-line mode to allow callers to dial your phone number directly
High-resolution caption display tilts for comfortable reading or lies flat for wall mounting
Captions can be turned on or off at any time in a call
Adjustable tone and volume control - up to 40 decibel gain
Adjustable caption font sizes and colors
Standard telephone keypad buttons for familiar, comfortable dialing
95+ name/number phone book to store frequently called numbers
Built-in answering machine takes voice messages with captions
Spanish-to-Spanish captioning available, with Spanish language menus
Speed dial keys for one-touch dialing
Caller ID capable
Works like a standard phone for people who do not need captions
One-touch access to CapTel from T-Mobile Customer Service
Availability and pricing varies by state and is subject to state IPCTS contract terms. Contact T-Mobile for details.

High-speed internet connection (CapTel 840i only)
Home phone connection (analog, VoIP, FIOS, DSL or cable – cannot be cellular service)
Standard electrical power