After getting this number you have to dial that from your mobile followed by PIN
number and destination number and you will almost immediately be able to hear the voices of your desired person over phone. Making Cheap International calls has become so easy with these cards that travellers are making use of these facilities with pleasure. Globalization has created such a situation that lot of people are travelling from one country to another frequently. In such circumstances it becomes quite hard for them to call at higher call charges. Now with the introduction of calling cards they can at least talk freely with their friends and relatives back home without the fear of being charged havoc for that.