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Telemetry Module MT-021 User Manual

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6.2.2.3. Use of GPRS<br />

Function - enables GPRS usage required for e-mail sending.<br />

Data type - Selection list<br />

Range - No<br />

GPRS is disabled.<br />

Yes<br />

GPRS is enabled.<br />

Default value - No<br />

Comments - When GPRS is enabled new group of parameters called<br />

GPRS is visible.<br />

6.2.3. SMS<br />

Group SMS contains parameters related to sending and receiving of text messages by<br />

<strong>MT</strong>-<strong>021</strong> module.<br />

6.2.3.1. Daily SMS limit<br />

Function - Defines max number of SMS, the module may send during<br />

one day. The parameter protects against uncontrolled<br />

sending of SMS messages and consequent high running<br />

expenses.<br />

Data type - Number<br />

Range - 1…65 535<br />

Default value - 0 = unlimited<br />

Comments - N/A<br />

ATTENTION!<br />

Reaching set by the parameter limit results with unconditional stop of<br />

SMS sending. One has to bear in mind that until 00:00 o'clock no<br />

messages will be sent even in alarm situations!<br />

Unsent due to limitation SMS messages are queued (the queue holds 16<br />

messages) and will be sent when it is possible (after 00:00). If the<br />

number of queued messages is higher than the limit set by the user,<br />

there is a risk of immediate consuming of the next day limit.<br />

6.2.3.2. Roaming for SMS<br />

Function - Decides whether the module may send SMS when roaming in<br />

foreign network.<br />

Data type - Selection list<br />

Range - No<br />

When roaming in foreign GSM network no SMS are<br />

sent.<br />

Answer<br />

The module can only respond to queries from<br />

authorized numbers<br />

32

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