AT Command Reference Guide for EDGE Wireless ... - wless.ru
AT Command Reference Guide for EDGE Wireless ... - wless.ru
AT Command Reference Guide for EDGE Wireless ... - wless.ru
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Chapter 8 – Network Service <strong>Command</strong>s<br />
If the test command is used during an ongoing GPRS transfer, traffic will be inter<strong>ru</strong>pted <strong>for</strong> up to<br />
one minute.<br />
The <strong>AT</strong>+COPS read command returns the current and the currently selected operator. If<br />
no operator is selected, and are omitted.<br />
The <strong>AT</strong>+COPS write command <strong>for</strong>ces an attempt to select and register to the GSM network<br />
operator (see note below). If the selected operator is not available, no other operator will be<br />
selected (except =4). The selected operator name will apply to further read<br />
commands, too.<br />
Test <strong>Command</strong> Syntax: <strong>AT</strong>+COPS=<br />
Response:<br />
+COPS: [list of present operators (, long alphanumeric s,,numeric<br />
s ], , (list of supported s), (list of supported s)<br />
OK<br />
ERROR<br />
+CME ERROR: <br />
Read <strong>Command</strong> Syntax: <strong>AT</strong>+COPS<br />
Response:<br />
ERROR<br />
+CME ERROR: <br />
Write <strong>Command</strong> Syntax: <strong>AT</strong>+COPS=[, [, ]]<br />
Response:<br />
OK<br />
ERROR<br />
+CME ERROR: <br />
Parameter Descriptions:<br />
<br />
Status<br />
0 Unknown<br />
1 Operator available<br />
2 Current operator<br />
3 Operator <strong>for</strong>bidden<br />
<br />
Operator<br />
If test command: Operator name in long alphanumeric <strong>for</strong>mat and numeric <strong>for</strong>mat.<br />
If read command: Operator name as per .<br />
If write command: Operator name in numeric <strong>for</strong>mat.<br />
<br />
Parameter values 0 and 1 are stored non-volatile in the Multi-Tech wireless modem.<br />
0 Automatic mode; field is ignored. Default.<br />
1 Manual operator selection<br />
Write command requires in numeric <strong>for</strong>mat; i.e., shall be 2.<br />
Read command returns the current and the currently selected . If no operator is<br />
selected, and are omitted.<br />
2 Manually deregister from network and remain unregistered until =0 or 1 or 4 is selected.<br />
3 Set only (<strong>for</strong> <strong>AT</strong>+COPS read command).<br />
4 Automatic / manual selection; if manual selection fails, automatic mode (=0) is entered<br />
( field will be present).<br />
<br />
0 Long alphanumeric <strong>for</strong>mat of . Can be up to 16 characters long. Default.<br />
2 Numeric <strong>for</strong>mat of . This is the GSM Location Area Identification (LAI) number, which<br />
consists of the 3-digit Mobile Country Code (MCC) plus the 2- or 3-digit Mobile Network Code<br />
(MNC).<br />
Multi-Tech Systems, Inc. <strong>AT</strong> <strong>Command</strong>s <strong>for</strong> <strong>EDGE</strong> Modems (S000371B) 94