Cannot post json data using KHTTPPOST

[jyijyi]

you can see here on how to HTTP post data:

HL7812 issue with data transfer via http post

no problem is found on my side and I can post the data to my server: AT+KHTTPCFG=1,"123.123.123.123",80,0 +KHTTPCFG: 1 OK +KCNX_IND: 1,6 +KCNX_IND: 1,1,0 +KHTTP_IND: 1,1 AT+KHTTPHEADER=1 CONNECT Content-Length: 25<CR+LF> --EOF--Pattern-- OK AT+KHTTPPOST=1,,"/post_put.php" CONNECT //here I enter 25 bytes: 1234512345123451234512345 HTTP/1.1 201 Created date: Wed, 20 Sep 2023 14:27:52 GMT server: Apache/2.4.41 (Win64) OpenSSL/1.1.1c PHP/7.3.10 x-powered-by: PHP/7.3.10 content-length…