How to send acknowledgement to teltonika device using tcp node

please give me proper code to fetch the information from teltonika device after getteing the iemi number

Welcome @1231 to the Forum.

Have you carried out a search for Teltonika on the Forum. There are several threads describing communication between Node-RED and Teltonika devices.

I recommend watching this playlist: Node-RED Essentials. The videos are done by the developers of node-red. They're nice & short and to the point. You will understand a whole lot more in about 1 hour. A small investment for a lot of gain.

A quick search shows this thread, which might help. You also might want to read your Teltonika (insert Device Name here), to see what communications options are available to you.

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