When you're abroad, the pricing for communications on your plan changes; this is called roaming.
When you're in Luxembourg and calling abroad, international rates apply (see International Rates).

Choose a Travel Pass to use your smartphone abroad, or to call internationally, while keeping an eye on your usage.

• The Pass is compatible with plans of 5 GB, 50 GB, unlimited, and their Pro equivalents.

• Once the units of the Travel Pass are exhausted, standard roaming rates apply.

• 1 communication unit = 1 SMS or 1 minute of call.

• Incoming calls within the Travel Pass zone are billed according to the current rates.
  Example 1: I am in Brazil, a Luxembourgish number calls me, and I am not billed within the 30-unit pass limit.
  Example 2: I am in Brazil, I call a Luxembourgish number / I send an SMS to a Luxembourgish number, and I am not billed within the 30-unit pass limit.
  Example 3: I am in Brazil and I call a Brazilian number, and I am not billed within the 30-unit pass limit.
  For more information, see the rates to and from abroad