Voice Mail:
In Belgium, call the free number 1987.
From abroad, call +32490461997 at the standard roaming price.

Customer Service:
If you have questions, you can reach one of our agents every weekday from 8:30 to 17:00 by calling the free number 1989 with your UNDO number or +32490461999 from any other phone number.
From abroad, standard roaming price applies if you call with your UNDO number.