Wirnet iBTS can be configured using SMS command. Most feature available of the web interface and the REST API can be used via SMS

All SMS command will follow the same syntax:

[login:password] [sms_command_id] sms_command sms_field sms_value

• login: The login used for the board configuration. This value is always admin.
• password: The password is the same as the web interface password (pwd4admin by default)
• sms_command_id: ID defined by the customer to identify the SMS command. There is no default value. This ID is mandatory and must be 6 characters long.
• sms_command: The command to be executed with '/' separated fields.
• sms_field: The configuration field to be set/get (Optional).
• sms_value: The value that as to be set to a configuration field (Optional).

All SMS reponses uses the samesyntax:

[sms_command_id:sms_command_status] sms_error_info

• sms_command_id: The value of this field is equal to the value of the sms_command_id field used in the command. The purpose of this field is to match the command with the reponse.
• sms_command_status: ok or error.
• sms_error_info: SMS error information (Optional).

Examples:

Reboot command:

#SMS send to the gateway
[admin:pwd4admin] [reboot] system/reboot

#SMS response from gateway
[reboot:ok]

Restore stock command with wrong password:

#SMS send to the gateway
[admin:badpassword] [rstock] system/restore/stock

#SMS response from gateway
[rstock:error] login/password

There are two kind of configuration commands: get commands and set commands

Example:

Get GSM IP address:

#SMS send to the gateway
[admin:pwd4admin] [getgsm] configuration/get_value statm.gsm.address 

#SMS response from gateway
[getgsm:ok] "10.172.108.48"

Examples:

Set admin user password:

#SMS send to the gateway
[admin:pwd4admin] [newpwd] configuration/set_value sysma.password "mynewpassword" 

#SMS response from gateway
[newpwd:ok]

The Wirnet iBTS is able to send and receive SMS if the mobile network is properly configured. Modems are identified by sierra_X where X is a number. This can vary if the iBTS is a dual-SIM device.

To retrieve the identifier, use the gsmdiag.py command a text file will be created in /tmp/gsmdiag.txt

On the following content, there are two modems, and only one has a SIM card present. Its identifier is /sierra_0.

Content - gsmdiag.py output

root@klk-lpbs-060434:~ # gsmdiag.py
Diagnostic written in /tmp/gsmdiag.txt
root@klk-lpbs-060434:~ # cat /tmp/gsmdiag.txt
Number of modems: 2
[Modem:/sierra_1]
  Syspath:/sys/devices/soc0/soc/2100000.aips-bus/2184200.usb/ci_hdrc.1/usb2/2-1/2-1.3
  HardwarePosition:1,1
  Powered:1
  Online:0
  Manufacturer:Sierra Wireless, Incorporated
  Model:MC7304
  Revision:SWI9X15C_05.05.58.00 r27038 carmd-fwbuild1 2015/03/04 21:30:23
  [SimProps]
    Present:0
  Error: no SIM in modem  
[Modem:/sierra_0]
  Powered:1
  Online:1
  Manufacturer:Sierra Wireless, Incorporated
  Model:MC7354
  Revision:SWI9X15C_05.05.58.00 r27038 carmd-fwbuild1 2015/03/04 21:30:23
  [SimProps]
    Present:1
    CardIdentifier:895XXXXXXXXXXXX1015
    SubscriberIdentity:3XXXXXXXXXXXXX3
    LockedPins:dbus.Array([], signature=dbus.Signature('s'), variant_level=1)
    PinRequired:none
  [NetworkRegistrationProps]
    Status:registered
    MobileCountryCode:XXX
    MobileNetworkCode:YY
    Name:ABCD
    Strength:80
  [ConnectionContexts]
    [/sierra_0/context1]
      Name:Internet
      Active:1
      Type:internet
      Protocol:ip
      AccessPointName:apname
      Username:uname
      Password:pass
      AuthenticationMethod:chap

To send an SMS using the modem /sierra_0:

dbus-send --system --print-reply --dest=org.ofono /sierra_0 org.ofono.MessageManager.SendMessage string:"+33XXXXXXXXXX" string:"test sms"

Receive an SMS using a python test script :

File - receive SMS python script