Modem is one of the channel to send SMS in SMS SQUARE
Navigate to Miscellaneous -> Modem Status
- Modem Log
- Modem and SIM Card Status
- Check Prepaid Balance or Recharce Credit Balance
There are 3 options:
Once the modem connected/disconnected to the SMS SQUARE server, it will be detected by
and a log can be viewed here.
Currently one SMS SQUARE server can support upto 4 Modems attached to 4 Portals.
Connection |
Description |
| ttyUSB0 | Modem 1, Portal 1 |
| ttyUSB1 | Modem 2, Portal 2 |
| ttyUSB2 | Modem 3, Portal 3 |
| ttyUSB3 | Modem 4, Portal 4 |
Meaning of the log messages
Filter |
Description |
| usb 2-1: PL-2303 converter now attached to ttyUSBx | Modem x is connected |
| PL-2303 ttyUSB1: PL-2303 converter now disconnected from ttyUSBx | Modem x is disconnected |
Modem, SIM Card Status, and Start SMS Daemon
Once the modem connected, you need to Start the SMS Daemon.
Once the SMS Daemon started modem & SIM Card status will appear
Meaning of the status
Status |
Description |
| IMEI | the Modem IMEI (International Mobile Equipment Identity) |
| Manufacturer | Manufacturer of the Modem |
| Model | Model of the Modem |
| Product Name | Product Name of the Modem |
| Network | Name of the Operator |
| Network Code | GSM Network Code, further reference http://en.wikipedia.org/wiki/Mobile_Network_Code |
| RF Signal | GSM RF Signal code |
| Cell Id | Cellular ID, the text usually shown on your mobile |
| SMSC | SMS Center |
| SMS Daemon / Service | Status activity and process ID of SMS Daemon / Service |
Checking / Reloading Credit Balance
If you are using a prepaid GSM card subscription, this feature will come in handy to check/reload the credit balance
or any USSD related command. (see http://en.wikipedia.org/wiki/USSD for further reference)
type the code to check balance, in this example *888#
Wait for about 30 seconds and the result will be displayed along with the Signal Quality