trx - 0.5-4+b1 main

It sends and receives encoded audio over IP networks, via a soundcard
or audio interface. It can be used for point-to-point audio links or
multicast, eg. private transmitter links for a radio station or other
live audio distribution. In contrast to traditional streaming, high
quality wideband audio (such as music) can be sent with low-latency,
typically as low as a few milliseconds, and incredibly fast recovery
from dropouts.
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It works favourable as a replacement for traditional ISDN lines and
hardware ISDN codecs.