To counter the expenses involved in making international cellular phones, Phone Cards or International Calling Cards may come as viable options. With cells based on GSM technology, one can avail of the option of going for country specific SIM card. By using international cards on cells, one needs to reach out through the local access number followed by the pin outlined in the card. Thereafter one needs to follow the standardized format meant for overseas connection. There are special cards with roaming option whereby you can also avail of a ‘VoIP’ facility through mobile phones.