The PIN for your account serves to verify you on the call line, if your account (still) has no associated phone numbers you can use the PIN to authenticate yourself to the call line.
On the basis of the PIN can our system than the corresponding account balance enumerate and then connect with the selected consultant.
Once you have recognized once called our system and we have your phone number, you can indicate in your account that our system NO longer have to ask for a PIN when you call back to us with the same phone system.
When you call on 0909 7000000 (0.90 / minute) have logically a PIN / account required