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AT Commands Reference Manual - wireless netcontrol GmbH

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SMS<br />

In PDU mode, either positive (RP-ACK) or negative (RP-ERROR) acknowledgement to the<br />

Network is possible.<br />

Command Type Syntax Response/Action Remarks<br />

Set <strong>AT</strong>+CNMA OK<br />

or:<br />

+CMS ERROR: <br />

Text Mode:<br />

Command enable sending positive<br />

acknowledgement to network -<br />

RP-ACK<br />

PDU Mode:<br />

Command enables sending both<br />

positive and negative<br />

acknowledgement to network<br />

(RP-ACK or RP-ERROR) together<br />

with PDU message.<br />

Test <strong>AT</strong>+CNMA=? Text Mode:<br />

OK<br />

PDU Mode:<br />

+CNMA: (0-2)<br />

OK<br />

The following table shows the +CNMA parameters.<br />

Table 3-54: +CNMA Parameters<br />

<br />

<br />

Description<br />

Acknowledge type (applicable in PDU mode)<br />

0- RP-ACK is send as in TEXT mode.<br />

1- RP-ACK is send with/without PDU message.<br />

2- send RP-ERROR with/without PDU message.<br />

<br />

<br />

Size of message in PDU mode format, in octets, excluding SMSC data.<br />

Message header and contents in PDU mode format.<br />

Example<br />

<strong>AT</strong>+CSMS=0<br />

+CSMS: 1,1,1<br />

OK<br />

<strong>AT</strong>+CNMI=1,2<br />

OK<br />

<strong>AT</strong>+CMGS="1234"<br />

> TEST SMS DELIVER CMT<br />

+CMGS: 104<br />

3-94 H24 - <strong>AT</strong> <strong>Commands</strong> <strong>Reference</strong> <strong>Manual</strong> April 15, 2010

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