SMS server Gammu for CentOS 7

yum install gammu
dmesg
gammu --identify
gammu-config

find / -name gammu

Sql file path, you can import sql file to your MySQL server

/usr/share/doc/gammu/examples/sql/mysql.sql

vi /root/.gammurc

[gammu]

port = /dev/ttyS0
model = at
connection = at
synchronizetime = yes
logfile =
logformat = nothing
use_locking =
gammuloc =

[smsd]
service = sql
driver = native_mysql
PIN = 1234
logfile = /var/log/gammu/smsdlog
debuglevel = 1
#runonreceive = /some/script
commtimeout = 30
sendtimeout = 30
user =
password =
pc = localhost
database =