Specifications
SIM900 AT Command Manual       
SIM900_AT Command Manual_V1.03  196  12/24/2010 
10 AT Commands for HTTP Application 
SIM900 has an embedded TCP/IP stack that is driven by AT commands and enables the host 
application to easily access the Internet HTTP service. This chapter is a reference guide to all the 
AT commands and responses defined to use with the TCP/IP stack in HTTP Service. 
10.1 Overview 
Command  Description 
AT+HTTPINIT  INITIALIZE HTTP SERVICE 
AT+HTTPTERM  TERMINATE HTTP SERVICE 
AT+HTTPPARA  SET HTTP PARAMETERS VALUE 
AT+HTTPDATA  INPUT HTTP DATA 
AT+HTTPACTIO
N 
HTTP METHOD ACTION 
AT+HTTPREAD  READ THE HTTP SERVER RESPONSE 
AT+HTTPSCON
T 
SAVE HTTP APPLICATION CONTEXT 
10.2 Detailed Descriptions of Commands 
10.2.1 AT+HTTPINIT Initialize HTTP Service 
AT+HTTPINIT Initialize HTTP Service 
Test Command 
AT+HTTPINIT=
? 
Response 
OK 
Execution 
Command 
AT+HTTPINIT 
Response 
OK 
If error is related to ME functionality: 
+CME ERROR: <err> 
Reference 
Note 
HTTPINIT should first be executed to initialize the HTTP service. 
10.2.2 AT+HTTPTERM    Terminate HTTP Service 
AT+HTTPTERM Terminate HTTP Service 










