Introduction

The DSP-ONE card provides Digital Signal Processing functionality in the Excel platform, including Voice Recorded Announcements, Tones, and Conferencing.

Every port in the Excel platform has direct access to every DSP resource (except for channels in Gateway Mode. See the Developer’s Guide: IP for more information on Gateway Mode). A bi-directional PCM bus allows simultaneous incoming and outgoing operations, such as tone reception and tone generation.

You can upgrade your system with additional DSP cards as your needs grow, and multiple cards can load-share. The DSP cards are hot-swappable, which simplifies maintenance and upgrades, and increases overall reliability.