Hello,
According to our information, you called our customer service yesterday to block the short number 543.
To avoid this situation you can activate SMS/MMS short numbers and Easypay barring sets directly in your Customer Center under the "Mobile" section. You will find more information about Easypay here: http://bit.ly/1YLWsNx.
We remind you to be careful on social networks and forums and transmit your personal details only by private message.
We kindly ask you to give us another user name, we will be happy to change it for you.
Have a lovely Sunday