Edit Controls in Verboice
After the control has been added in a call flow, you can edit any control by:
Clicking on
Go to Designer of any call flow that you want to edit its control.

This screenshot show that we want to edit the control in call flow
Pregnancy Take Care.
Click on any control that you want to edit.

This screenshot show that we want to edit Menu control in call flow
Pregnancy Take Care.
At the right panel will show the setting of the control you have clicked. Edit the setting in the right panel as you want.
Click button Save to save change.