1These are programs to conduct simple benchmarks.
2See usage() in files (option -h|--help) for more information.
3
4listen.pl
5- listen for incoming connection
6- echo RTP back
7- can handle multiple connections in parallel
8
9call.pl
10- create muliple parallel calls and send special crafted RTP traffic
11  The RTP are not real voice data, but sequence and timestamps inside
12  an RTP frame.
13- expect the RTP to be echod back, analyse the response and report
14  delays, lost packets etc
15-
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