VISA and ITMX network
1. Cardlink V2 receives Visa debit transaction from VISA and ITMX network.
2. CardLinK V2 validates transaction and send to EBS SYSTEMS for authorization. See validations
3. CardLinK V2 receive response from EBS SYSTEMS and log it.
4. Cardlink V2 sends response message back to VISA / ITMX network.