TR114 Fax

The TR114 ISDN boards support advanced fax features including 14.4kbps transmission, MMR compression, Error Correction Mode, T.434 Binary File Transfer and Ultrafine resolution as well as high performance voice processing features such as outstanding talk-off and DTMF cut-through characteristics.

The TR114 ISDN also offers reliable call processing integrating ISDN-reported call progress with advanced in-band call progress interpretation and reporting for ISDN-initiated calls, which carry over or terminate on an analog phone network. Densities range from 2 to 4 channels on a single board and up to 24 channels per chassis.

Subscription to Direct Inward Dialing (DID) or Multiple Subscriber Number (MSN) services on ISDN BRI lines allow each user on a LAN to be assigned a personal fax phone number. Upon receipt of an inbound fax call, the fax recipient’s fax phone number is provided in the ISDN Called Party Number field. The Called Party Number information is then extracted by the TR114 ISDN board and passed to the fax server application, allowing the received fax to be efficiently and reliably routed directly to the intended recipient. Most network fax server applications developed for the TR114 already support inbound fax routing using Called Party Number information and will seamlessly support inbound routing with the TR114 ISDN boards connected directly to ISDN Basic Rate lines.

The Brooktrout Technology Fax and Voice Application Programming Interface (API) is a powerful tool for sophisticated application development. High-level functions permit programmers to quickly create applications. Lower level functions permit direct interactions with individual elements of fax and voice calls, such as the T.30 protocol.