SIM7500_SIM7600 
Series_Compatibility_With_SIM800 
_HTTP_ATC_V1.00 
SIMCOM   CONFIDENTIAL FILE
                                                                                                                      Smart Machine Smart Decision 
 
Document Title: 
Version: 
Date: 
Status: 
Document ID: 
SIM7500_SIM7600 
Series_Compatibility_With_SIM800_HTTP_ATC 
1.00 
2017-09-22 
Release 
SIM7500_SIM7600 
Series_Compatibility_With_SIM800_HTTP_ATC_V1.00 
General Notes 
SIMCom offers this information as a service to its customers, to support application and engineering efforts 
that  use  the  products  designed  by  SIMCom.  The  information  provided  is  based  upon  requirements 
specifically provided to SIMCom by the customers. SIMCom has not undertaken any independent search 
for additional relevant information, including any information that may be in the customer’s possession. 
Furthermore,  system  validation  of  this  product  designed  by  SIMCom  within  a  larger  electronic  system 
remains the responsibility of the customer or the customer’s system integrator. All specifications supplied 
herein are subject to change. 
Copyright 
This  document  contains  proprietary  technical  information  which  is  the  property  of  SIMCom  Limited., 
copying of this document and giving it to others and the using or communication of the contents thereof, 
are forbidden without express authority. Offenders are liable to the payment of damages. All rights reserved 
in the event of grant of a patent or the registration of a utility model or design. All specification supplied 
herein are subject to change without notice at any time. 
Copyright © Shanghai SIMCom Wireless Solutions Ltd. 2017 
SIM7500_SIM7600 Series_Compatibility_With_SIM800_HTTP_ATC_V1.00                                              2017-09-22 
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                                                                                                                      Smart Machine Smart Decision 
Version History 
Version  Date 
V1.00 
2017-09-05 
Chapter 
 
What is new 
New version 
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                                                                                                                      Smart Machine Smart Decision 
Contents 
V e r s i o n   H i s t o r y ........................................................................................................................... 2  
C o n t e n t s  ............................................................................................................................................ 3 
1 
Introduction...................................................................................................................................... 4 
2  AT commands .................................................................................................................................. 4 
AT+HTTPINIT    Start HTTP service .................................................................................................... 4 
AT+ HTTPTERM    Stop HTTP service ................................................................................................ 4 
AT+HTTPPARA    Set HTTP Parameters value ..................................................................................... 5 
AT+HTTPACTION    HTTP Method Action ......................................................................................... 6 
AT+HTTPHEAD    Read the HTTP Header Information of Server Response ....................................... 7 
AT+HTTPREAD    Read the HTTP server response.............................................................................. 9 
2.1 
2.2 
2.3 
2.4 
2.5 
2.6 
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1    Introduction 
The present document describes HTTP AT Commands which are compatible with SIM800 for the SIMCom 
Module: 
SIM7500,SIM7600 series 
2    AT commands 
2.1 
  AT+HTTPINIT    Start HTTP service 
Description 
This command is used to start HTTP service. 
SIM PIN  References 
YES 
Vendor 
Responses 
OK 
+CME ERROR:  
Syntax 
Execute Command 
AT+ HTTPINIT 
Defined values 
 
Failure error . 
Examples 
AT+ HTTPINIT 
OK 
 
2.2  AT+ HTTPTERM    Stop HTTP service 
Description   
This command is used to stop HTTP service 
SIMCOM   CONFIDENTIAL FILE
                                                                                                                      Smart Machine Smart Decision 
SIM PIN  References 
YES 
Vendor 
Syntax 
Execute Command 
AT+ HTTPTERM 
Examples 
AT+ HTTPTERM 
OK 
Responses 
OK 
ERROR 
2.3 
  AT+HTTPPARA    Set HTTP Parameters value 
Description   
This command is used to set HTTP parameters value 
SIM PIN  References 
YES 
Vendor 
Syntax 
Write Command 
Responses 
AT+HTTPPARA=, 
OK 
ERROR 
Defined values 
 
HTTP parameters: 
"URL" (Mandatory Parameter) HTTP client URL   
"http://'server'/'path':'tcpPort'  "  "server":  FQDN  or  IP-address  "path":  path  of  file  or  directory 
"tcpPort": default value is 80. Refer to "IETF-RFC 2616".   
 
String   
Examples 
AT+ HTTPPARA ="URL","http:/ /mywebserver.com/link" 
OK 
SIM7500_SIM7600 Series_Compatibility_With_SIM800_HTTP_ATC_V1.00                                              2017-09-22 
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                                                                                                                      Smart Machine Smart Decision 
2.4 
  AT+HTTPACTION    HTTP Method Action 
Description   
This command is used to action HTTP Method. 
Syntax 
Execute Command 
Responses 
AT+HTTPACTION= 
OK 
+HTTPACTION: ,, 
ERROR 
Defined values 
 
HTTP method specification: 
0: GET 
1: POST 
2: HEAD 
 
HTTP Status Code responded by remote server, it identifier refer to HTTP1.1(RFC2616) : 
100 Continue   
101 Switching Protocols   
200 OK 
201 Created   
202 Accepted   
203 Non-Authoritative Information   
204 No Content   
205 Reset Content 
206 Partial Content   
300 Multiple Choices   
301 Moved Permanently   
302 Found   
303 See Other   
304 Not Modified   
305 Use Proxy   
307 Temporary Redirect   
400 Bad Request   
401 Unauthorized   
402 Payment Required   
403 Forbidden   
404 Not Found   
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405 Method Not Allowed   
406 Not Acceptable   
407 Proxy Authentication Required   
408 Request Time-out   
409 Conflict   
410 Gone   
411 Length Required   
412 Precondition Failed   
413 Request Entity Too Large   
414 Request-URI Too Large   
415 Unsupported Media Type   
416 Requested range not satisfiable   
417 Expectation Failed   
500 Internal Server Error   
501 Not Implemented   
502 Bad Gateway   
503 Service Unavailable   
504 Gateway Time-out   
505 HTTP Version not supported   
600 Not HTTP PDU   
601 Network Error   
602 No memory   
603 DNS Error   
604 Stack Busy   
 
 
The length of data received   
Examples 
AT+HTTPACTION=0 
OK 
 
 
+HTTPACTION: 0, 200, 234119 
2.5 
  AT+HTTPHEAD    Read  the  HTTP  Header  Information  of  Server 
Response 
is  used 
This  command 
AT+HTTPACTION=0 
 
to 
read 
the  HTTP 
server 
response  header,related 
to 
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