For future reference, when these systems offer you a choice of things to say like "Pay my bill", "Check my balance", etc, they are usually backed by numeric inp

For future reference, when these systems offer you a choice of things to say like "Pay my bill", "Check my balance", etc, they are usually backed by numeric input too. You can press the number corresponding to the voice option provided - in this example 1) pay bill, 2) check balance.