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Analyze live calls for jitter and loss

If you are still experiencing choppiness or breaking up in your calls after setting up QoS on your router we sample live calls on the network to determine if there is an acceptable level of jitter/loss.

Generate a network dump (PCAP) of VoIP traffic

date +'%Y-%m-%d_%H_%M-%Z' | xargs -I {} bash -c "sudo tcpdump -nq -s 0 -A -vvv -i en0 -w /tmp/closeio_call-{}.pcap portrange 5060-5065 or portrange 16384-32768"

Analyze a call dump

tshark -nr <FILENAME> -q -z rtp,streams