Raspberry Pi Zero W + USB Modem – SMS Gateway

Install usb-modeswitch

Install smstools

Find Right Device and PORT with this Command;

…Found my modem information like this, Modem on ttyUSB1 and Speed 9600…

Modify your smsd.conf

my smsd.conf with founded Modem information like:

Restart then smstools3

For Testing Create a file under /var/spool/sms/outgoing/ Folder. I create like: