This file is indexed.

/usr/share/dahdi/span_config.d/50-asterisk is in asterisk 1:13.18.3~dfsg-1ubuntu4.

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#! /bin/sh

# This file, if installed under /usr/share/dahdi/span_config.d/ , will
# attempt to add a newly-generated span to a running copy of Asterisk.
# Asterisk has to be running (if not: it will pick the span on its
# startup), and has to have the channels already configured.
#
# Environment is set in
# http://git.asterisk.org/gitweb/?p=dahdi/tools.git;a=blob;f=hotplug/dahdi_span_config

if [ "$ACTION" != 'add' ]; then
	# Nothing to do here
	exit 0
fi

# Add to asterisk
asterisk -rx "dahdi create channels $BASECHAN $ENDCHAN"