Check Script for Zabbix

#!/bin/sh
smconsole="sudo /opt/Avaya/contrib/bin/sm console"
if [ $1 = "callcount" ];then
callcountSM="${smconsole} GET AllCallCountSM"
echo `$callcountSM` | sed -r "s/.*\=A\=([0-9]{1,3}).*/\1/g"
elif [ $1 = "health" ];then
healthSM1="${smconsole} GET SMHealth 1"
healthSM2="${smconsole} GET SMHealth 2"
echo `$healthSM1` | sed -r "s/.*name=\"(.*)\".*status=(\w{1,10}),?.*smHealth=(.*)/\1:\2 Health:\3/g"
echo `$healthSM2` | sed -r "s/.*name=\"(.*)\".*status=(\w{1,10}),?.*smHealth=(.*)/\1:\2 Health:\3/g"
elif [ $1 = "sipentities" ];then
sipentities=`${smconsole} MONITOR Summary`
#echo ${sipentities}
status=`echo ${sipentities} | egrep 'INITIALIZING: \[\w.*\]|PARTIALLYUP: \[\w.*\]|DOWN: \[\w.*\]|DENY: \[\w.*\]'`
if [ -z "$status" ];then
echo "OK"
else
echo "Minor"
echo ${sipentities} | egrep -o 'INITIALIZING: \[\w.*?\s?\] |PARTIALLYUP: \[\w.*?\s?\] |DOWN: \[\w.*?\s?\] |DENY: \[\w.*?\s?\]'
fi
elif [ $1 = "registeredp" ];then
registeredSM=`${smconsole} GET RegistrationSummary`
echo $registeredSM | sed -r "s/.*Primary: ([0-9]{1,5}).*Secondary: ([0-9]{1,5}).*/\1/g"
elif [ $1 = "registereds" ];then
registeredSM=`${smconsole} GET RegistrationSummary`
echo $registeredSM | sed -r "s/.*Primary: ([0-9]{1,5}).*Secondary: ([0-9]{1,5}).*/\2/g"
else
echo "wrong or missing argument!"
fi