10 Best gateway technologies
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Discovery Telecom DTT o o o
Discovery Telecom2
automatically immediately
The USSD command format: C_USDXY,<COMMAND>,<Number >, X - The number of the slave card (from 1 to 4). Y - The number of the module in the slave card (from 1 to 4). "COMMAND" is the operation mode. COMMAND: 1 = start session COMMAND: 2 = stop session "Number" is the USSD number to send. The Reply should be: A_USDXY,Z,<COMMAND>,<Message>, X - The number of the slave card (from 1 to 4). Y - The number of the module in the card (from 1 to 4). Z The number of the SIM (1 is local SIM, 2 is SIM Server SIM). "COMMAND" is the USSD reply code. COMMAND: 0 = no further user action required COMMAND: 1 = further user action required COMMAND: 2 = USSD terminated by network COMMAND: 4 = Operation not supported "Message" is the USSD reply message. Here is example of sending the USSD number *101# thrghu port 1. C_USD11,1,*101#, OK#11 I_ALR111,49 A_USD11,1,2,"UNKNOWN APPLICATION",15