Hi Greetings!
Please go to the second server settings
Select the Backup mode as DUPLICATE so that the device will send data to both servers,
Configure the server domain and the server port number
Configure the backup server protocol.
Note we have a different kinds of modes.
Disable
Second server is not used.
Backup
Records are sent to second server if main server is not available (for example: device fails to open link with main server) or when main server response timeout has been reached 5 times in a row.
Duplicate
Records are sent to both servers (main and second), records are deleted from SD-card (or Flash storage) only if both servers confirmed that the records were received from device.
EGTS:
Records are sent to both servers (main and second), records are sent to the backup server using the EGTS protocol. RNIS system is supported with EGTS protocol. (Relevant just in CIS Regions)
Reference link : FMB920 GPRS settings - Wiki Knowledge Base | Teltonika GPS (teltonika-gps.com)
Best Regards,
Maynard C.