Hiding it may make it more difficult to analyze singapore mobile number list voice issues. If you are serious about collecting sensitive information securely… access twilio voice settings in the twilio console. (in the left navigation pane, click voice > settings > general.) click the enable pci mode button . Save the changes with save . Make a call the moment of truth has arrived: it's time to make a test call to the phone number.
You have two options. By entering the last 4 digits of your fake “credit card” 1234 and the unique pin 4321 , the call returns you “fake” account information.s successful . By entering other numbers, the call treats you as an unknown user and returns a 404 response .