#!/bin/bash

# Get all pjsip trunks
number_trunks=`/usr/bin/sudo /usr/sbin/asterisk -rx "pjsip show registrations" | grep "Objects found" | awk '{print $3}'`

# Get registered pjsip trunks
reg_tranks=`/usr/bin/sudo /usr/sbin/asterisk -rx "pjsip show registrations" | grep Registered | wc -l`

# Calculate diff
let result=($number_trunks-$reg_tranks)

# Echo result
#echo $result
if [ $result == "0" ]
then
  echo 0
else
  trunks_rej=`/usr/bin/sudo /usr/sbin/asterisk -rx 'pjsip show registrations' | grep Rejec | grep -oE "^.{12}"`
  trunks_unreg=`/usr/bin/sudo /usr/sbin/asterisk -rx 'pjsip show registrations' | grep Unregi | grep -oE "^.{12}"`
  #echo "$peer_down" | head -c 3
  trunks_down="$trunks_rej$trunks_unreg"
  echo -e "\n$trunks_down" | sed 's/$/::/g'
  #echo ""
fi