#!/bin/bash
# trunkwatch.agi  v2.1   2022 - noelb@ausics.net
# agi script for trunk failure alert via email in freepbx
# Before you enact this AGI, set your EMAIL for whomever gets the alerts.
# I'll use trunkwatch.agi as the file name for use in monitoring trunk errors 
# edit as /var/lib/asterisk/agi-bin/trunkwatch.agi  and  chmod 755
# Lastly in freepbx=> trunk=> select your trunk=> select enable for Monitor Trunk Failures, and enter  trunkwatch.agi
#####################################################################################################################

EMAIL="foo@emample.com"

DATE=`date "+%d.%m.%Y. %H:%M"`
HOST=`hostname`
declare -a array
while read -e ARG && [ "$ARG" ] ; do
 array=(` echo $ARG | sed -e 's/://'`)
 export ${array[0]}=${array[1]}
done
MESSAGE="Trunk Alert $DATE.\n$agi_calleridname [$agi_callerid] tried to dial $agi_dnid.\nThe call could not be established on channel $agi_channel."

echo "$DATE Call could not be established. $agi_calleridname [$agi_callerid] --> $agi_dnid" >> /var/log/asterisk/trunk
echo -e "$MESSAGE" | mail -s "Trunk Down $HOST IP-PBX" $EMAIL