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Our company has purchased Teltonika devices recently but we have been having a technical problem with the integration and receiving data to and from the devices on our servers. We hoped you could help us with the issues below.
The device is sending the data according to the specification of Codec 8 (https://wiki.teltonika.lt/view/Codec), but as we were integrating the device, several problems appeared:
1. As we gathered from the documentation on your website, Codec 12 is used to code receiving commands from the server to the device. At the moment, our device successfully receives data (according to the specification here https://wiki.teltonika.lt/view/Codec).
The logs show that the device is receiving commands (please see logs attached), but we do not receive the feedback about the results of the execution of the commands. They are neither in the logs, nor at the response to the server. 
We are using default settings. This is the setting we have added:
GPRS part: we have added domain and port of our server to the Server Settings and Backup Server Settings and have enlarged socket’s lifetime (according to this recommendation: "Note, that GPRS session should remain active between FM and server, while GPRS commands are sent. For this reason active datalink timeout (global parameters in FMXXXX configuration) is recommended to be set to 259200 (maximum value)”).
Could you advice us what can be causing this?
2. Does Teltonika FMB120 support receiving commands from the server via SMS only or using GPRS as well?
As we have gathered form the Table 1. FM firmware requirement, it seems that the device can only receive commands via SMS. Is this correct?
How can we determine which devices from your range of models support what type of command delivery?
3. Where can we see a full list commands?
We have the commands for receiving information and statuses (https://wiki.teltonika.lt/view/FMB120_SMS/GPRS_command_list), but we would like to see other types of commands as well, for example car engine control command.
We would greatly appreciate if you could give us a link to the full list of commands.
Thank you in advance for your time and assistance.

 

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If u'd provide log via some link like https://wetransfer.com/ it would be great.

Because currently i dont see any log attached to this post of yours.

Codec8/codec8extended - these are used for records sending to server.

Codec12 - is used for GPRS commands exchange between FMB <-> server.

Codec13 - used for sending buffered packets which device stores into records. When it receives such packets over RS232 for example.

Codec16 - is used only in FM63/FMB64 i think. It's not used in FMBXXX family devices atleast for sure.

"Could you advice us what can be causing this?"
[AA] please provide logs.

2. Does Teltonika FMB120 support receiving commands from the server via SMS only or using GPRS as well?
[AA] all FMBXXX devices support codec12 (gprs messages exchange) between device <-> server.
As we have gathered form the Table 1. FM firmware requirement, it seems that the device can only receive commands via SMS. Is this correct?
[AA] No, device can receive messages via SMS/GPRS/serial.
How can we determine which devices from your range of models support what type of command delivery?
[AA] All teltonika devices support codec8 (records) and codec12 gprs commands. Now for specific gprs commands per device family - you could contact teltonika sales representatives.
3. Where can we see a full list commands?
[AA] I dont really know why our support made so many pages:
etc. I.e. basically enter "commands list" into teltonika wiki -> and you'll get many pages.
But in general all of these pages - should be the same. Because FW is the same and supported commands are the same. Just newer FW versions might have more commands available.
Also please exclude FMB64 commands list - from general FMBXXX family devices. Because FMB64X - is not FMBXXX family device.
Why? Because FMB64 uses different FW, while all FMBXXX (FMB0,FMB1,FMB2,FMB9,FMT1,MTB,TMT,GH) devices - use the same FW base (atleast for now).

"like to see other types of commands as well, for example car engine control command."
[AA] there is no such command. What do you expect this command todo?
Most extensive commands list is here i think: https://wiki.teltonika.lt/view/FMB125_SMS/GPRS_command_list
There are some commands for OBD, LVCAN control. But they generally are for informational purposes, ie device sends some information to server. Like OBD fault codes, or VIN info etc.
There are ofcourse some control commands, like you can configure LVCAN program number, or clear DTC and similar.

Regards