Transaction Initiation: Step 1 ............................................................................................................. 9
Transaction Initiation: Step 2 ........................................................................................................... 10
Transaction Initiation: Step 3 ........................................................................................................... 13
Transaction Initiation: Step 4 ........................................................................................................... 13
Transaction Fulfillment: Step 5 ........................................................................................................ 14
Transaction Fulfillment: Step 6 ........................................................................................................ 14
Transaction Fulfillment: Step 7 ........................................................................................................ 14
Transaction Fulfillment: Step 8 ........................................................................................................ 14
Asynchronous Acknowledgement: Step 9 ........................................................................................