Installation of SMS Gateway
PHP 7.2 or above
PHP cURL extension
PHP GD extension
PHP Multibyte String extension
PHP Zip extension
PHP XML extension
PHP JSON extension
Cron job for scheduled messages
Add a cron job by executing below command in linux shell. If you are using the Cpanel or Vesta Panel then follow a guide from here to setup a cron job.
crontab -e * * * * * php -q "/home/koonming/domains/koonming.com/public_html/cron.php" >/dev/null 2>&1
FAQs
You can find frequently asked questions from here.
Support
If FAQs doesn't resolve the issue you are experiencing then you can open a support ticket from here.