#!/bin/bash

# Get all trunks
number_trunks=`/usr/bin/sudo /usr/sbin/asterisk -rx "sip show registry" | grep "SIP registrations" | awk '{print $1}'`

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

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

# Echo result

if [ $result == "0" ]
then
  echo 0
else
  trunks_rej=`/usr/bin/sudo /usr/sbin/asterisk -rx 'sip show registry' | grep Rejec | grep -oE "^.{15}"`
  trunks_unreg=`/usr/bin/sudo /usr/sbin/asterisk -rx 'sip show registry' | grep Unregi | grep -oE "^.{15}"`
  trunks_reqsent=`/usr/bin/sudo /usr/sbin/asterisk -rx 'sip show registry' | grep Request | grep -oE "^.{15}"`
  trunks_noau=`/usr/bin/sudo /usr/sbin/asterisk -rx 'sip show registry' | grep 'No Aut' | grep -oE "^.{15}"`
  #echo "$peer_down" | head -c 3
  trunks_down="$trunks_rej$trunks_unreg$trunks_reqsent$trunks_noau"
  echo -e "\n$trunks_down" | sed 's/$/::/g'
  #echo ""
fi