Raspberry Pi Zero W + USB Modem – SMS Gateway

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This Article updated on 08.09.2019

Install usb-modeswitch, smstools, wvdial

sudo apt-get install usb-modeswitch usb-modeswitch-data smstools wvdial

Find right device and baudrate with this command;

sudo wvdialconf

…my modem information (modem on ttyUSB1 and baudrate 9600)…

ttyUSB0<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baud
ttyUSB0<*1>: ATQ0 V1 E1 -- failed with 9600 baud, next try: 9600 baud
ttyUSB0<*1>: ATQ0 V1 E1 -- and failed too at 115200, giving up.
ttyUSB1<*1>: ATQ0 V1 E1 -- OK
ttyUSB1<*1>: ATQ0 V1 E1 Z -- OK
ttyUSB1<*1>: ATQ0 V1 E1 S0=0 -- ERROR
ttyUSB1<*1>: ATQ0 V1 E1 &C1 -- ERROR
ttyUSB1<*1>: ATQ0 V1 E1 &D2 -- ERROR
ttyUSB1<*1>: ATQ0 V1 E1 +FCLASS=0 -- OK
ttyUSB1<*1>: Modem Identifier: ATI -- Manufacturer: ZTE INCORPORATED
ttyUSB1<*1>: Speed 9600: AT -- OK
ttyUSB1<*1>: Max speed is 9600; that should be safe.
ttyUSB1<*1>: ATQ0 V1 E1 +FCLASS=0 -- OK
ttyUSB2<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baud
ttyUSB2<*1>: ATQ0 V1 E1 -- failed with 9600 baud, next try: 9600 baud
ttyUSB2<*1>: ATQ0 V1 E1 -- and failed too at 115200, giving up.
ttyUSB3<*1>: ATQ0 V1 E1 -- OK
ttyUSB3<*1>: ATQ0 V1 E1 Z -- OK
ttyUSB3<*1>: ATQ0 V1 E1 S0=0 -- ERROR
ttyUSB3<*1>: ATQ0 V1 E1 &C1 -- ERROR
ttyUSB3<*1>: ATQ0 V1 E1 &D2 -- ERROR
ttyUSB3<*1>: ATQ0 V1 E1 +FCLASS=0 -- OK
ttyUSB3<*1>: Modem Identifier: ATI -- Manufacturer: ZTE INCORPORATED
ttyUSB3<*1>: Speed 9600: AT -- OK
ttyUSB3<*1>: Max speed is 9600; that should be safe.
ttyUSB3<*1>: ATQ0 V1 E1 +FCLASS=0 -- OK

Found a modem on /dev/ttyUSB1.
Modem configuration written to /etc/wvdial.conf.
ttyUSB1<Info>: Speed 9600; init "ATQ0 V1 E1 +FCLASS=0"
ttyUSB3<Info>: Speed 9600; init "ATQ0 V1 E1 +FCLASS=0"

Modify your smsd.conf

sudo nano /etc/smsd.conf

my smsd.conf with founded Modem information like:

devices = GSM1
outgoing = /var/www/sms/outbox
checked = /var/www/sms/checked
incoming = /var/www/sms/inbox
logfile = /var/log/smstools/smsd.log
infofile = /var/run/smstools/smsd.working
pidfile = /var/run/smstools/smsd.pid
outgoing = /var/www/sms/outbox

checked = /var/www/sms/checked
failed = /var/www/sms/error
incoming = /var/www/sms/inbox
sent = /var/www/sms/sent
stats = /var/log/smstools/smsd_stats

[GSM1]
#init =
device = /dev/ttyUSB1
incoming = yes
pin = 1234
baudrate = 9600

Create Directory for SMS Sending

sudo mkdir /var/www/sms
sudo mkdir /var/www/sms/inbox
sudo mkdir /var/www/sms/outbox
sudo mkdir /var/www/sms/error
sudo mkdir /var/www/sms/sent
sudo mkdir /var/www/sms/checked
sudo chmod -R 0777 /var/www/sms/

Restart then smstools3

sudo /etc/init.d/smstools restart

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

echo -e "To: 00491111111111\n\nTest SMS" > /var/www/sms/outbox/testsms.txt

Server configuration and php works coming soon!

sudo mkdir /var/www/sms
sudo mkdir /var/www/sms/inbox
sudo mkdir /var/www/sms/outbox
sudo mkdir /var/www/sms/error
sudo mkdir /var/www/sms/sent
sudo mkdir /var/www/sms/checked
sudo chmod -R 0777 /var/www/sms/

Raspbian Stretch Lite – Setup (Raspberry Pi Zero W)

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  • Stretch Lite image

  1. Download Link: https://www.raspberrypi.org/downloads/raspbian/
    1. Choose Raspbian Stretch Lite Download ZIP.
    2. Make unzip this downloaded zip file.
  2. The easiesst way to Flash to your SD Card is Etcher.
    1. Download and install this Software.
    2. After Openning, Select .iso file, and your SD Card and click Flash.
  • How to set up WiFi

Create a file in Boot directory called wpa_supplicant.conf

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
network={
    ssid="YOUR-NETWORK-NAME"
    psk="PASSWORD"
    key_mgmt=WPA-PSK
}
  • How to enable SSH

Create a file in Boot directory empty file called ssh. For example i have on my computer Git Bash Terminal, with this Terminal type only this command:

 

touch ssh

or second way without

Right Click (on the Empty Area from Screen) -> New -> Text Document, and then rename New Document.txt file like ssh (remove .txt from file name).

 

Thanks:

https://howchoo.com/g/ndg2mtbmnmn/how-to-install-raspbian-stretch-on-the-raspberry-pi

https://howchoo.com/g/ote0ywmzywj/how-to-enable-ssh-on-raspbian-without-a-screen

https://howchoo.com/g/ndy1zte2yjn/how-to-set-up-wifi-on-your-raspberry-pi-without-ethernet