Package gsm-tools

http://www.quut.com/gsm/

Contains command line utilities for libgsm, an implementation of
the European GSM 06.10 provisional standard for full-rate speech
transcoding, prI-ETS 300 036, which uses RPE/LTP (residual pulse
excitation/long term prediction) coding at 13 kbit/s.

Version: 1.0.22