/usr/share/doc/smstools/examples/smsd.conf.easy is in smstools 3.1.14-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | # Example smsd.conf. Read the manual for a description
devices = GSM1
logfile = /var/log/smsd.log
loglevel = 7
[GSM1]
device = /dev/ttyS0
incoming = yes
#pin = 1111
|