A feature of some digital cell phones that makes them compatible with a special TTY text device for those who are deaf or hard of hearing. Without this feature, TTY devices were compatible only ...

This number connects you to: For hearing-impaired assistance, call 1-877-337-1463 (TTY/TDD). If you need Amtrak Guest Rewards assistance, dial 1-800-307-5000. What is Amtrak Schedules and Fares?

It is identical to the VX-1, with the addition of BREW. Other notable features include a 7-line internal display, external caller-ID display, MIDI ringers, scheduler, and digital TTY/TDD ...