Here we can all chat about fixing the AT+ command structure and the associated responses.
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By tsknightstorm
#53351 Edit: I have found a solution. At the start phase I used the Baud rate 74880. But for the AT-Commands you have to use the Baud rate 115200.

Also I use the Putty tool for the connection. With this you have to use the following process to get a answer.
1. Enter the AT-command
2. Press enter
3. Press Ctrl+J

Hope someone could use this information. 