Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 218 2012.12.10
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
<DataLen> the length of data got
Reference Note
10.2.6 AT+HTTPREAD Read the HTTP Server Response
AT+HTTPREAD Read the HTTP Server Response
Response
+HTTPREAD: (list of supported <start_address>s),(list of supported<
byte_size>s)
OK
Test Command
AT+HTTPREA
D=?
Parameters
See Write Command
Response
+HTTPREAD: <date_len>
<data>
OK
Read data when AT+HTTPACTION=0 or AT+HTTPDATA is executed.
If<byte_size> is bigger than the data size received, module will only return
actual data size.
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+HTTPREA
D=<start_addres
s>,<byte_size>
Parameters
<data> Data from HTTP server or user input.
<start_address> The starting point for data output.
1-318976 or 1-102400 (bytes), the max value is due to
the module used.
<byte_size> The length for data output.
1-318976 or 1-102400 (bytes), the max value is due to