Put the power of advanced technology at your fingertips with the deluxe Superprint 4425. This model allows you to be able to have communication with people via computers with modems. This feature-packed TTY includes sophisticated capabilities, giving you more choices than ever It features direct connect with two built-in telephone jacks and advanced calling features like auto-busy redial, three way calling, and TTY transfer. Call progress tells you if the phone you are calling is ringing or busy. Auto-Answer takes messages for you when you are unavailable. The 32k memory lets you save hundreds of telephone numbers, memos, and Auto-Answer messages by name. You can personalize greeting messages, memos, and outgoing Auto-Answer memos. Convenient arrow keys make it easy to review information saved in memory. Turbo Code lets you control the speed of your conversations and enjoy real-time communication with other Turbo Code TTYs. It also lets you interrupt one another. The TTY Announcer lets hearing people know you are on the line. The User-programmable Relay Voice Announcer tells hearing callers to use a TTY or use relay, and gives the phone number for your relay service. Auto ID lets everyone you call know that you are using a TTY. The Superprint 4425 has: Direct connect (with 2 jacks) to standard telephone line, User-programmable Relay Voice Announcer, Call progress - display indicates ringing or busy, Auto-Answer capabilities (with programmable message), Auto-busy redial, Wait for Response and 3-way calling, Remote message retrieval, Tone or pulse dial, Keyboard dialing, follow-on dialing, call transfer, Memory dialing/redial. The Superprint 4425 also features: Built-in, 24-character printer, 3 selectable print sizes, 32k memory, Date/time printed at the beginning of each call, rbo Code and Auto ID, E-Turbo for simplified relay calling, Built-in ring flasher, Arrow keys for easy review of memory, Convenient GA/SK keys, Easy-touch greeting memo, TTY AnnouncerTM tells hearing callers you are using a TTY, Baudot code (45.5/50 baud rate), Sticky key feature (for single-handed typing). Covered under a 1-year mfg. warranty.