t38modem Dockerfile

docker/t38modem/services/socat.sh

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+#!/usr/bin/env bash
+
+# $1: PTTY ID
+# $2: TCP server port
+
+socat -d -d "file:${1},raw,echo=0" "TCP-LISTEN:${2},reuseaddr"

docker/t38modem/services/t38modem.sh

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+#!/usr/bin/env bash
+
+PTTY=$(seq -f "+${1}-%g" -s "," "${T38MODEM_MODEM_COUNT}")
+
+CMD=(
+    "t38modem"
+    "--ptty" "${PTTY}"
+    "--sip-proxy" "${T38MODEM_SIP_USERNAME}:${T38MODEM_SIP_PASSWORD}@${T38MODEM_SIP_SERVER}"
+    "--sip-register" "${T38MODEM_SIP_USERNAME}@${T38MODEM_SIP_SERVER},${T38MODEM_SIP_PASSWORD}"
+    "--sip-listen" "udp\$:5060"
+    "--stun" "${T38MODEM_STUN_SERVER}"
+    "--route" "t38:.*=sip:<dn>@${T38MODEM_SIP_SERVER}"
+    "--route" "sip:.*=t38:<dn>"
+)
+
+if [ "$T38MODEM_DISABLE_T38" = true ]; then
+    cmd+=("--disable-t38-mode" "--audio")
+fi
+
+CMD+=("${T38MODEM_CMD_ARGS}")
+
+exec "${CMD[@]}"