Matrix ETERNITY NE System Manual 733
SIM Card Balance and Recharging
What's this?
The ETERNITY supports Balance Inquiry and Recharging of the SIM Card installed in its Mobile Ports
62
. 
How to use
To be able to use this feature, first get information about the following from your Network Operator:
• Balance Inquiry Number: This is the number provided by the Network Operator to the subscribers to 
check Balance. Different Network Operators have different numbers. For example, the Balance Inquiry 
number of Vodafone is *141#. 
• Recharging Service Number: This is the number provided by the Network Operators to their subscribers 
for Recharging Service. Different Network Operators have different numbers for Recharging Service. For 
example, the Recharging Service Number of Vodafone is *140*.
Check your SIM balance from Jeeves.
• Log in as System Engineer.
• Click the Advanced Settings link to expand options.
• Click the Mobile Trunks link under Advanced Settings, click SIM Balance Recharge link.
62. ETERNITY NE supports Unstructured Supplementary Service Data (USSD), the standard for transmitting information over CSM 
signaling channels and a commonly used method to query the available balance and other similar information in pre-paid GSM 
services.