If you are planning to stay in Budapest longer than just a couple of days, you can buy a pre-paid SIM-card from the local mobile operator to save on your calls home. There are three mobile operators in Hungary: Vodafone, Pannon GSM and T-Mobile. All operators provide mobile internet over 3G, EDGE and GPRS.
Here we provide only general practical information on pre-paid services. For further information and rates you can visit outlets or websites of the said mobile operators.