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SMS Gateway (Huawei HiLink)

For more information visit https://etherarp.net/building-a-sms-gateway-from-a-huawei-usb-modem/

Scripts

  • Connect/Disconnect modem hilink_connect, hilink_disconnect
  • Query device information hilink_device_information
  • Query notifications hilink_notifications
  • Query device status hilink_status
  • Query traffic statistics hilink_traffic_stats
  • Query SMS Inbox hilink_sms_list
  • Send SMS message hilink_sms_send $message $number
  • Get/Send USSD hilink_ussd_get $ussd hilink_ussd_send $ussd

What is this?

An SMS-Gateway is a server that provides an API for sending and/or receiving SMS/Text messages. The E303 (and other Hauwei modems) provide a web GUI interface and an XML API for programmatic access. This contains a set of scripts to manage Hauwei modems, including sending/receiving SMS. It has been tested on the Hauwei E303 and E3372.

IP Addresses

Hilink E303 - http://192.168.1.1

Hilink E3372 - http://192.168.8.1

Switching to CDC_Ether mode

For API Access, the device needs to run in cdc_ether modem (which is the usual default) Occasionally, it will boot into a different mode and a modeswitch command will be required

# Change to cdc_ether mode
usb_modeswitch -v 12d1 -p 1f01 -M '55534243123456780000000000000011062000000101000100000000000000'

What if 192.168.1.0/24 clashes with my LAN

This workaround is for Linux only.

# Create a network namespace for the HiLink 
sudo ip netns add sms
# Add the hilink to the network namespace and bring it online
sudo ip link dev enp0s29u1u6
sudo ip netns exec sms ifconfig enp0s29u1u6 up 192.168.1.100/24

# Run the hilink commands inside the network namespace 
sudo ip netns exec sms ./hilink_status

Reverse Proxy in Nginx

location / {
    auth_basic "Restricted";
    auth_basic_user_file /etc/nginx/.htpasswd;
    proxy_pass http://192.168.1.1;
    proxy_set_header Host hi.link;
    add_header Host hi.link;
}