
ICE-‐40
INSTALLATION MANUAL
Page 21
9.4
PREPAID CARD CREDIT AND VALIDITY INFORMATION
ICE-40 can be used with prepaid SIM cards and its limitations. To be able to overcome this
limitation of the prepaid SIM cards, ICE-40 offers the possibility of automatic checking mechanism
for credit and time expiration.
NOTE
ICE-40 automatically sends warning SMS when the credit reaches low level defined
by LCV parameter or SIM card validity is near to expiration.
NOTE
For support of different GSM providers contact support.
9.4.1
Programming prepaid card credit and validity string
To be able to support credit and time validity checking different parameters are used.
9.4.1.1
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.
For example in Slovenia SCV are 90 and in Italy 360 days
9.4.1.2
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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