The Nexcom 300, models 300vi and 300ve, are universal modems designed for "text telephone" use and includes support for TTY calls and standard modem ASCII calls for individuals who are deaf and hard of hearing. The 300vi has an internal card modem and the 300ve has an external modem. The NexCom 300 features autodetection between standard modems, TTY's and Fax for incoming and outgoing calls. It allows standard modem and TTY call transfers, enabling a call to be put on hold and transferred to another extension, and the modem will re-establish the TTY or standard modem connection. The connection speed may be changed to any supported speed in the middle of a call. A HOLD button on the 300ve allows reception of TTY or standard modem calls at any time even if the computer is off. The NexCom 300 supports a "sound" light on the computer screen so that a deaf person can visually monitor sounds on the phone line. This system also has answering machine capabilities and can TTY or ASCII calls up to 19,200 bytes per second (bps) and takes messages. The user can customize the outgoing answering machine greeting and has remote access to message retrieval. Both models come with NexTalk for Windows, the communication software for the NexCom 300, which features a split screen option where both parties can type at the same time. It also offers organized phone books for speed dialing and "Send Text Manager: which lets you send to callers any pre-composed custom message or text from other documents. Model 300ve also comes with cable and power supply. OPTIONS: Futura TTY III supports the features of NexCom 300 for DOS computers. Contact manufacturer for pricing information.