Modems in flespi allow sending configuration SMS to the GPS tracking devices via a selected telecom service provider.
The way a modem connects to the SMS server is described in the configuration field and may be one of the following:
flespi — built-in modem with limitations described above, you may safely create/delete it anytime, deliver SMS to phone numbers only
clickatell — a modem using clickatell API to deliver SMS to recipients by phone number
SMPP — a modem using standard SMPP protocol to deliver SMS to recipients by phone number
jasper — a modem using Jasper SMS API to deliver SMS to recipients by ICCID
A modem is an instance to connect flespi and a telecom service provider. By default, each user has a flespi modem instance and 10 free SMS.
SMS can be sent in two ways:
When you request to send an SMS, flespi finds the modem with the highest priority to dispatch the SMS. If sending via such modem fails, the modem with lower priority is used. You can adjust modems priority in the modem configuration.
The phone number of the recipient can be specified in one of the following formats:
International — starting with a + sign and no longer than 15 digits. This format works for flespi, clickatell, and SMPP modem types.
ICCID — 19 or 20 digits printed on the device SIM card. This format works for the jasper and pod-iot-suite modem type.
The wrong phone number format will cause a modem to reject the message. After that flespi will try to send the message via a lower-priority modem.
To perform any operations with the modems, use the modems API.
In case of any issues, check the Logs & Messages tab on the modem screen:
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