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HC25 AT Command Set - Portech.com.tw

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<strong>HC25</strong> <strong>AT</strong> <strong>Command</strong> <strong>Set</strong><br />

9. Supplementary Service <strong>Command</strong>s s<br />

9. Supplementary Service <strong>Command</strong>s<br />

The <strong>AT</strong> <strong>Command</strong>s described in this chapter are related to the Supplementary Services offered by the GSM ne<strong>tw</strong>ork.<br />

9.1 <strong>AT</strong>+CACM Accumulated call meter (ACM) reset or query<br />

Syntax<br />

Test <strong>Command</strong><br />

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

Response(s)<br />

OK<br />

Read <strong>Command</strong><br />

<strong>AT</strong>+CACM<br />

Response(s)<br />

+CACM: <br />

OK<br />

ERROR<br />

+CME ERROR: <br />

Write <strong>Command</strong><br />

<strong>AT</strong>+CACM=[]<br />

Response(s)<br />

OK<br />

ERROR<br />

+CME ERROR: <br />

Reference(s) PIN USB0-MDM USB0-APP Last<br />

GSM 07.07 + + + -<br />

<strong>Command</strong> Description<br />

The read <strong>com</strong>mand returns the current ACM value.<br />

The write <strong>com</strong>mand resets the Advice of Charge related to the accumulated call meter (ACM) value in SIM file<br />

EF(ACM). ACM contains the total number of home units for both the current and preceding calls.<br />

Parameter Description<br />

(str)<br />

Three bytes of the current ACM value in hexadecimal format (e.g. "00001E" indicates decimal value 30) 000000<br />

- FFFFFF.<br />

(str)<br />

SIM PIN2<br />

<strong>HC25</strong>_<strong>AT</strong>C_V01.200 Page 131 of 290 7/25/07<br />

Confidential / Released

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