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<strong>SIM5218</strong> Serial <strong>AT</strong> Command Set<br />

211 FTP <strong>command</strong> rejected by server<br />

212 Memory error<br />

213 Invalid parameter<br />

214 Network error<br />

21.4 Hyper Text Transfer Protocol Service<br />

21.4.1 <strong>AT</strong>+CHTTPACT Launch a HTTP operation<br />

Description<br />

The <strong>command</strong> is used to launch a HTTP operation like GET or POST. Each character<br />

presented in the data flow of serial port will be coded as . Each character<br />

will be coded as . Single means end of the HTTP request data or end of<br />

the HTTP responded data.<br />

is 0x03, and is 0x1A.<br />

For <strong>this</strong> <strong>command</strong> there may be a lot of D<strong>AT</strong>A which need to be transferred to DTE using serial<br />

port, it is recommended that the <strong>AT</strong>+C<strong>AT</strong>R will be used.<br />

SIM PIN References<br />

YES Vendor<br />

Syntax<br />

Test Command<br />

Responses<br />

<strong>AT</strong>+CHTTPACT= +CHTTPACT: “ADDRESS”, (1-65535)<br />

OK<br />

Write Command<br />

Responses<br />

<strong>AT</strong>+CHTTPACT=<br />

+CHTTPACT: REQUEST<br />

“”, +CHTTPACT: D<strong>AT</strong>A, <br />

…<br />

+CHTTPACT: D<strong>AT</strong>A, <br />

…<br />

…<br />

+CHTTPACT: 0<br />

+CME ERROR<br />

+CHTTPACT: <br />

ERROR<br />

+CHTTPACT: REQUEST<br />

+CHTTPACT: <br />

ERROR<br />

+CHTTPACT: REQUEST<br />

<strong>SIM5218</strong>_Serial _<strong>AT</strong>C_V1.36 439<br />

5/15/2012

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