pbx/pjsua/busy

#!/bin/sh

SIP_USERNAME=$1

if [ "${SIP_USERNAME}" == "" ]; then
  echo "Missing CLI argument: SIP_USERNAME. Exiting"
  exit 1
fi

SIP_SERVER_HOST=${SIP_SERVER_HOST:-asterisk}
SIP_SERVER_PORT=5160
SIP_PASSWORD=${SIP_PASSWORD:-asterisk}

# udp, tcp
SIP_TRANSPORT=${SIP_TRANSPORT:-udp}

# random ports in a range
LOCAL_PORT=$(shuf -i 50001-55999 -n 1)
RTP_PORT=$(shuf -i 56001-59999 -n 1)

# https://stackoverflow.com/questions/48338005/how-to-hang-up-call-in-pjsip-while-its-ringing
pjsua \
  --log-level=3 \
  --app-log-level=3 \
  --no-stderr \
  --color \
  --light-bg \
  --use-cli \
  --null-audio \
  --snd-auto-close=0 \
  --max-calls=15 \
  --no-vad \
  --use-compact-form \
  --reg-timeout=90 \
  --rereg-delay=90 \
  --use-srtp=0 \
  --srtp-secure=0 \
  --rtcp-mux \
  --use-timer=1 \
  --reg-use-proxy=3 \
  --auto-update-nat=1 \
  --disable-stun \
  --local-port=${LOCAL_PORT} \
  --rtp-port=${RTP_PORT} \
  --realm="*" \
  --registrar="sip:${SIP_SERVER_HOST}:${SIP_SERVER_PORT};transport=${SIP_TRANSPORT}" \
  --proxy="sip:${SIP_SERVER_HOST}:${SIP_SERVER_PORT};transport=${SIP_TRANSPORT}" \
  --outbound="sip:${SIP_SERVER_HOST}:${SIP_SERVER_PORT};transport=${SIP_TRANSPORT}" \
  --id="sip:${SIP_USERNAME}@${SIP_SERVER_HOST}:${SIP_SERVER_PORT};transport=${SIP_TRANSPORT}" \
  --username="${SIP_USERNAME}" \
  --password="${SIP_PASSWORD}" \
  --auto-answer=486