Hi javad
Thanks for your query.
please send the responses of the all AT commands you have used.
please look at the below AT command logs. I think it will solve your issue. As it is posting and reading data successfully from your server.
[2020-05-12_11:01:14:034]
[2020-05-12_11:01:14:034]+CPIN: READY
[2020-05-12_11:01:14:034]+QUSIM: 1
[2020-05-12_11:01:14:120]ATE1
[2020-05-12_11:01:14:120]OK
[2020-05-12_11:01:16:026]AT+CSQ
[2020-05-12_11:01:16:028]+CSQ: 99,99
[2020-05-12_11:01:16:028]OK
[2020-05-12_11:01:17:740]AT+CSQ
[2020-05-12_11:01:17:740]+CSQ: 99,99
[2020-05-12_11:01:17:740]OK
[2020-05-12_11:01:20:673]AT+CSQ
[2020-05-12_11:01:20:673]+CSQ: 99,99
[2020-05-12_11:01:20:673]OK
[2020-05-12_11:01:20:797]
[2020-05-12_11:01:20:797]+QIND: SMS DONE
[2020-05-12_11:01:22:475]AT+CSQ
[2020-05-12_11:01:22:475]+CSQ: 31,5
[2020-05-12_11:01:22:475]OK
[2020-05-12_11:01:25:422]AT+CGREG?
[2020-05-12_11:01:25:422]+CGREG: 0,1
[2020-05-12_11:01:25:422]OK
[2020-05-12_11:01:29:990]AT+QHTTPCFG=“contextid”,1
[2020-05-12_11:01:29:990]OK
[2020-05-12_11:01:31:202]AT+QICSGP=1,1,“airtelgprs.com”,"","",1
[2020-05-12_11:01:31:202]OK
[2020-05-12_11:01:33:733]AT+QIACT=1
[2020-05-12_11:01:36:204]OK
[2020-05-12_11:01:38:982]AT+QIACT?
[2020-05-12_11:01:38:982]+QIACT: 1,1,1,“100.76.19.61”
[2020-05-12_11:01:38:982]OK
[2020-05-12_11:01:42:020]AT+QHTTPCFG=“requestheader”,0
[2020-05-12_11:01:42:023]OK
[2020-05-12_11:01:44:155]AT+QHTTPCFG=“responseheader”,1
[2020-05-12_11:01:44:155]OK
[2020-05-12_11:01:47:331]
[2020-05-12_11:01:47:331]+QIND: PB DONE
[2020-05-12_11:01:51:375]AT+QHTTPURL=36,80
[2020-05-12_11:01:51:375]CONNECT
[2020-05-12_11:01:52:048]
[2020-05-12_11:01:52:048]OK
[2020-05-12_11:01:58:061]AT+QHTTPPOST=20,80,80
[2020-05-12_11:01:59:510]CONNECT
[2020-05-12_11:02:00:471]
[2020-05-12_11:02:00:471]OK
[2020-05-12_11:02:01:255]
[2020-05-12_11:02:01:255]+QHTTPPOST: 0,200,9
[2020-05-12_11:02:03:657]AT+QHTTPREAD=80
[2020-05-12_11:02:03:657]CONNECT
[2020-05-12_11:02:03:657]HTTP/1.1 200 OK
[2020-05-12_11:02:03:657]Content-Type: text/html; charset=UTF-8
[2020-05-12_11:02:03:657]Cache-Control: public, max-age=0
[2020-05-12_11:02:03:657]Expires: Tue, 12 May 2020 05:32:00 GMT
[2020-05-12_11:02:03:657]Content-Length: 9
[2020-05-12_11:02:03:657]Date: Tue, 12 May 2020 05:32:00 GMT
[2020-05-12_11:02:03:657]Connection: Keep-Alive
[2020-05-12_11:02:03:657]Hey
[2020-05-12_11:02:03:657]Hel2
[2020-05-12_11:02:03:657]OK
[2020-05-12_11:02:03:689]
[2020-05-12_11:02:03:689]+QHTTPREAD: 0
Also you can use the AT+QHTTPCFG=“contenttype”,[0-3] command
where 0-3 as follows