Вот пример из жизни:
Call Ready
AT+CREG?+CREG: 0,1
OK
AT+CSTT="internet.beeline.kz","beeline","beeline"
OK
AT+CIICR
OK
AT+CIFSR
10.203.148.52
AT+CDNSORIP=0
OK
AT+CIPSTART="TCP","xx.xxx.xx.xxx","80"
OK
CONNECT OK
AT+CIPSEND
>
GET
http://xxxxxx.xxx/getdata.php?data=27 HTTP/1.0
SEND OK
HTTP/1.1 200 OK
Date: Fri, 16 Oct 2009 02:54:56 GMT
Content-Type: text/html; charset=windows-1251
Connection: close
Server: Apache
Cache-Control: max-age=0
Expires: Fri, 16 Oct 2009 02:54:56 GMT
<HEAD><TITLE>Get data</TITLE></HEAD>
<BODY>27</BODY>
CLOSED