Tips for Using Cell Phones Overseas

Use an Internet air card

Turn your laptop into a cell phone: An air card is simply a PCMCIA card with a slot for your phone's SIM card. This way, you to get Internet service through cellular signals, even if there is no WiFi available. If your carrier supports air cards, you'll get both Internet and calling capabilities. Read more at sierrawireless.com.

The Upside: You can connect to your VoIP provider just about anywhere.

The Downside: Not all carriers support them, and international data and voice rates will likely apply.