Data and Voice Modems

Our Si2439/94 ISOmodem® Data + Voice chipsets offer advanced voice processing, in addition to machine-to-machine communications capabilities, making it easy to add telephony features to any embedded system. The on-chip command processor handles all time-critical tasks and allows simple system integration. The product implements a complete PSTN modem and range in speed from 2400 – 56,000 bps and utilizes our patented direct access arrangement (DAA) technology to implement a globally-compliant telephone line interface with unparalleled integration and proven robustness. One hardware design can support all speeds and countries with a single bill of materials (BOM).

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