1. Types of communications that are possible with the purchase of credit:
National calls, SMS and MMS:
calls, SMS, MMS from the POST mobile network (including the 4G network, depending on whether your device is compatible) to a landline or mobile number on the national network, calls to Voice over Internet numbers and data, or listening to voicemail, excluding special numbers, faxes, videocalls and SMS premium (charges available at www.post.lu/conditions.)
Europe to Europe calls, SMS and MMS:
calls, SMS, MMS from a country in Europe to a landline or mobile number in a country in Europe, listening to voicemail, calls to Voice over Internet numbers and data, excluding special numbers, faxes, videocalls and premium SMS (charges available at www.post.lu/conditions.)

2.Additional credit: get additional credit ranging from €3 to €25, depending on the set chosen, with the purchase of a TipTop €10/€15/€25 or €100 set. It will be automatically credited to the customer’s balance. Any credit and additional credit will be lost if no top-up is made after the credit validity period. This additional credit may be used to purchase the 2GB or 8GB Data options, to send SMS or make calls. It will be extended every time a TipTop top-up is made. The additional credit may not be used to purchase a mobile or accessory.

3. Types of communications included in the Mobile Internet options:
Data traffic in Luxembourg and Europe:
packet switching data communications made from the POST mobile network or from a country in Europe. The term "Europe" refers to Zone 1 of the list included in the roaming charges section. 1MB = 1024KB. The output may be affected by various factors. Further details on speeds can be found in the Net Neutrality Document.
The purchase of a mobile data option does not extend the validity period of the SIM card. GB included in the option may be used as soon as the confirmation SMS has been received until the validity date of the option or SIM card.