check_h323 - A Nagios/Icinga/Docker plugin to monitor H.323 devices
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Author: Jan Willamowius <[email protected]>
		Relaxedcommunications GmbH
		https://www.willamowius.com/

License: GPL (https://www.gnu.org/copyleft/gpl.html)

Homepage: https://www.gnugk.org/nagios-h323.html

To compile use H323Plus and PTLib and say "make optnoshared".

Usage: check_h323 [-l|-g] [-p gk-port] [-t timeout] host

Options:
-g	send GRQ to host (default)
-l	send LRQ to host
-p	use a different port on the gatekeeper (default: 1719)
-t	timeout in ms (default: 3000 for 3 sec)

As Docker health check:

HEALTHCHECK CMD /usr/local/bin/check_h323 127.0.0.1