Send email when extension unreachable

[ahmedsallam]

Good Afternoon Colleagues
I hope you are doing good and safe.

Thanks to @Charles_Darwin , I have successfully modified the code shared by him in the below thread to match PJSIP

SIP trunk & extension monitoring - Email script

This is a script, which monitors SIP peers (trunks & extensions) and sends an email, if a peer is unavailable. No outgoing calls required. I found it somewhere (dont know where anymore) and adapted it to my needs…with limited coding capabilities…but it seems to work so far. Just in case, somebody finds it useful…it checks every 5mins (cronjob) /root/trunkcheck.sh (755) #!/bin/bash email="[email protected]" /usr/sbin/asterisk -rx 'sip show peers' > /tmp/allExtensions.txt offlineExtensions=`cat…

Here is the modified shell script:

#!/bin/bash
email="[email protected]"
/usr/sbin/asterisk -rx ‘pjsip show endpoints’ > /tmp/allExtensions.txt
offlineExtensions=cat /tmp/allExtensions.txt| grep -e 'Unavailable'
if [ -z “$offlineExtensions” ]; then
exit
else
(
echo “Subject: Offline Extensions”
printf ‘freePBX_Server_Location SIP Extensions or Trunks that are currently offline…\n’‘\n’“${offlineExtensions}”
) | /usr/sbin/sendmail ${email}
fi

Below is the crontab:
*/5 * * * * /root/trunkcheck.sh > /dev/null 2>&1

The crontab sends email every 5 minutes with list of unavailable endpoints .

May i know if there is a way to send email immediately and not periodically when an endpoint is unavailable and only send email regarding this endpoint only not all unavailable endpoints?

Best Regards