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11.5 PREPAID CARD CREDIT AND VALIDITY INFORMATION
ZEUS4-VD can be used with prepaid SIM cards and its limitations. To be able to overcome this
limitation of the prepaid SIM cards, ZEUS4-VD offers the possibility of automatic checking
mechanism for credit and time expiration.
ZEUS4-VD automatically sends warning SMS when the credit reaches low level
defined by LCV parameter or SIM card validity is near to expiration.
For support of different GSM providers contact support.
11.5.1 LCV and SCV parameter
LCV is used to set the limit for low credit event. If the credit on prepaid SIM cards falls below this
limit SMS is send.
SCV the period of valid operating time varies with different GSM network providers. The value can
be programmed from 1 to 360 days. The default value does not presume any kind of expiry
warning.
After the SIM refill it is necessary to send a command SMS to the ZEUS4-VD and
reset the counter.
;SCV=XXX;
Where XXX are number of days. For example in Slovenia SCV is 90 and in Italy 360
days.
The parameter SCV must be sent by SMS command and should not be programmed
directly on SIM card.
11.5.2 CC1, CC2 and CC3 parameters
Number used to check low credit value. They are provided from the GSM providers.
CC1 - This method can be used by any GSM provider that supports Unstructured
Supplementary Service Data
CC2 - This method is dedicated to Italian TIM mobile provider
CC3 - This method is dedicated to Italian Vodafone mobile provider
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