Number of records saved in device memory (records that have not been sent) could be checked with getinfo command:
Please look at REC parameter.
All records schould be sent to server when GPRS connection is resumed.
If records could not be sent please check if you have current firmware version (03.25.15.Rev.32) on your device:
If your device schould be updated please create query on a VIP helpdesk or if you don't have account contact your sales manager.
If you don't have any contacts with our Sale managers, please contact with them on our official website: https://teltonika-gps.com/
and click on the "Contact Us" button. When you will click, please fill the form and submit it.
Note: as a topic, please choose "Vehicle telematics".
Or you can send an e-mail with description of your situation to email@example.com