Step 2: Tap on the incoming call notification, but NOT on the Green Answer Button, yet. By tapping on the notification, anywhere in the black area or on the face icon on the left, it will take you to the full screen Incoming Call Phone Application, which you'll need in order to "Press 1."
You might intuitively think that Pressing 1 within our App would work, but it will not!
We are working on a better User Interface for the active call to avoid this confusion.
Step 3: Step 2: Tap on the notification, NOT the green Answer Button
Tap the Green Answer Button on the full screen Phone Application. Then, once answered, tap the Keypad button.
Step 4: Step 3: Tap the Green Answer Button, then tap "Keypad."
"Press 1" on the keypad. You might choose to hold
the digit 1 to ensure that the touch tone is able to be received by our call switches.