Specifications
SIM900 AT Command Manual       
SIM900_AT Command Manual_V1.03  200  12/24/2010 
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 
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 










