# The telephony/spandsp port

## spandsp-0.0.6 – DSP library for telephony

## Description

    SpanDSP is a library of DSP functions for telephony, in the 8000 sample
    per second world of E1s, T1s, and higher order PCM channels. It contains
    low level functions, such as basic filters. It also contains higher
    level functions, such as cadenced supervisory tone detection, and a
    complete software FAX machine.  The software has been designed to avoid
    intellectual property issues, using mature techniques where all relevant
    patents have expired. See the file DueDiligence for important
    information about these intellectual property issues.

WWW: http://www.soft-switch.org/

Categories:
  telephony

## Library dependencies

- graphics/tiff

## Build dependencies

## Run dependencies