Before you leave make sure you have carried out the following procedures:

• I have had my line activated for calling abroad and for calling while I am out of country.
• I have determined that the country to which I am travelling has a contracted network and which networks I will be using.
• If the country to which I am travelling does not have automatic network selection, I have learned how to choose the network manually.
• I have learned how I can use my Yeşil Kart while I am out of country.
• I have sufficient units with me.
• I have learned how I will be charged while I am out of country.
• I have determined that my mobile phone is compatible with the frequency band used in the country to which I am travelling.
• I have learned how to make calls while I am out of country.
  
  

If the answer is yes to all this questions, HAVE A NICE TRIP!